Smithtown, NY to Farmington, NY is 347.5 miles and takes about 7h 31m via I 81 and Christopher Columbus Highway, with a fuel budget near $57 and enough daylight to finish in a day. This route travels exclusively within New York, taking you from the Northeast region into another part of the Northeast. It’s a straightforward trip that primarily utilizes interstate highways before transitioning to surface roads. Consider this drive if you're looking for a direct path across the state with minimal fuss.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
173.8 miles from Smithtown, NY
A natural place for your longest stop of the day
, about 3h 39m into the drive
.
Main Roads
Road
Distance
Duration
I 81
97.3 mi
1h 55m
Christopher Columbus Highway
68.2 mi
1h 20m
I 380
27.7 mi
30m
Long Island Expressway
24.8 mi
33m
New York State Thruway
19.4 mi
22m
Keystone Shortway
17.3 mi
24m
Clinton Street
10.5 mi
15m
East Lake Road
9.9 mi
14m
Longest stretch:
I 81
— 97.3 mi, about 1h 55m
Traffic on I-80
Hour-of-day weekday pattern from 336 FHWA count stations on your route.
Peak
3 PM
~4,190 veh/hr typical
· worst 4,979
Quietest
1 AM
~446 veh/hr
Peak-to-quiet ratio
9.4×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 103 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithtown, NY and Farmington, NY.
1
Start on NY 25; NY 25A
0.6 mi·51 sec·West Main Street
2
Keep slight left at fork onto NY 25; NY 25A
179 ft·5 sec·West Main Street
3
Continue on NY 25
4.0 mi·6 min·Jericho Turnpike
4
Take the ramp
0.2 mi·27 sec
Toward SM South: Bay Shore
5
Merge onto SM
1.9 mi·2 min·Sunken Meadow State Parkway
6
Continue on SA
0.8 mi·49 sec·Sagtikos State Parkway
7
Take the exit
0.1 mi·16 sec
Exit S1WToward I 495 West: New YorkUse the slight right lane.
8
Keep slight left at fork
0.2 mi·23 sec
Toward I 495 West: New YorkUse the straight / slight right lanes.
9
Turn straight onto LIE North Service Road
0.4 mi·33 sec·LIE North Service Road
10
Turn straight onto North Service Road
0.1 mi·14 sec·North Service Road
11
Take the ramp
0.2 mi·21 sec
Toward I 495 West: New York
12
Merge onto I 495
25 mi·33 min·Long Island Expressway
Use the straight / slight right lanes.
13
Take the exit
0.2 mi·27 sec
Exit 31N-SToward Cross Island Parkway, Whitestone Bridge, Kennedy AirportUse the straight / slight right lanes.
14
Keep slight right at fork
0.3 mi·38 sec
Exit 31NToward Cross Island Parkway North, Whitestone BridgeUse the slight left / slight right lanes.
15
Merge onto CI
3.1 mi·4 min·Cross Island Parkway
Use the straight / slight right lanes.
16
Take the exit
0.6 mi·1 min
Exit 33Toward I 295 North: Throgs Neck Bridge, Bronx, New EnglandUse the straight / slight right lanes.
17
Merge onto I 295
1.8 mi·3 min·Throgs Neck Bridge
18
Continue on I 295
0.7 mi·1 min·Throgs Neck Expressway
Use the straight / slight right lanes.
19
Keep slight left at fork onto I 295
6.6 mi·8 min·Cross Bronx Expressway
Use the straight / slight right lanes.
20
Keep slight left at fork onto I 95; US 1
0.7 mi·1 min·Trans-Manhattan Expressway
Toward Upper Level
21
Continue on I 95; US 1
0.6 mi·59 sec·George Washington Bridge (upper level)
22
Continue on I 95 EXPR; US 1 EXPR; US 9 EXPR
0.5 mi·48 sec·I 95 EXPR; US 1 EXPR; US 9 EXPR
23
Keep slight left at fork onto I 95 EXPR; US 1 EXPR; US 9 EXPR
0.6 mi·39 sec·I 95 EXPR; US 1 EXPR; US 9 EXPR
Use the straight / slight right lanes.
24
Keep slight left at fork onto I 95 EXPR; NJTP
0.1 mi·8 sec·I 95 EXPR; NJTP
25
Take the exit
0.2 mi·22 sec
Toward I 95 South, NJTP South: HackensackUse the straight / slight right lanes.
26
Keep slight left at fork
0.4 mi·29 sec
Toward I 95 South, NJTP South: HackensackUse the slight left / slight right lanes.
27
Merge onto I 95; NJTP
2.0 mi·2 min·New Jersey Turnpike
Use the straight / slight right lanes.
28
Take the exit
0.8 mi·1 min
Exit 69Toward I 80 West: Paterson, HackensackUse the straight / slight right lanes.
29
Continue on I 80
68 mi·1 hr 20 min·Christopher Columbus Highway
Use the straight / slight right lanes.
30
Keep slight left at fork onto I 80
5.5 mi·8 min·Keystone Shortway
Use the straight / slight right lanes.
31
Keep slight left at fork onto I 80
12 mi·15 min·Keystone Shortway
32
Take the exit
0.7 mi·46 sec
Exit 293Toward I 380 North: Scranton
33
Continue on I 380
28 mi·30 min·I 380
Use the straight lane.
34
Merge onto I 81
58 mi·1 hr 9 min·I 81
Use the straight lane.
35
Keep slight right at fork onto I 81
1.8 mi·2 min·I 81
Toward I 81 North: Syracuse, Albany
36
Keep slight left at fork onto I 81
37 mi·43 min·I 81
Toward I 81 North: Syracuse
37
Take the exit
0.1 mi·21 sec
Exit 52Toward NY 13: Cortland
38
Turn right onto NY 13
39 ft·5 sec·Clinton Avenue
39
Turn left onto Locust Avenue
1.2 mi·2 min·Locust Avenue
40
Continue on Albany Street
0.6 mi·1 min·Albany Street
41
At end of road, turn right onto US 11; NY 41
0.4 mi·1 min·South Main Street
42
Turn left onto NY 41
10 mi·15 min·Clinton Street
43
Continue on NY 41
0.5 mi·49 sec·East Lake Road
44
Continue on NY 41
4.8 mi·7 min·State Route 41
45
Continue on NY 41
9.4 mi·13 min·East Lake Road
46
Continue on NY 41
0.5 mi·48 sec·East Lake Street
47
Turn left onto US 20
7.3 mi·13 min·East Genesee Street
48
Turn right onto US 20
0.2 mi·12 sec·North Fulton Street
49
Turn left onto US 20; NY 5
0.4 mi·1 min·Arterial West
50
Continue on US 20; NY 5; NY 38
9.8 mi·11 min·Chase Street
Use the left lane.
51
Continue on US 20; NY 5
1.9 mi·2 min·Auburn Road
52
Turn right onto NY 318
4.1 mi·7 min·NY 318
53
Continue on NY 318
319 ft·10 sec·NY 318
Use the right lane.
54
Turn right onto NY 414
0.3 mi·28 sec·State Route 414
Use the right lane.
55
Continue on NY 414
217 ft·11 sec·Ridge Road
Use the left lane.
56
Take the ramp
0.2 mi·23 sec
Use the left lane.
57
Keep slight left at fork
0.6 mi·1 min
Toward I 90 West: BuffaloUse the straight / right lanes.
58
Merge onto I 90
19 mi·22 min·New York State Thruway
59
Take the exit
0.9 mi·1 min
Exit 43Toward NY 21: Manchester, PalmyraUse the slight right lane.
60
Turn right onto NY 21
504 ft·11 sec·North Main Street
61
Turn right onto NY 96
0.6 mi·55 sec·State Route 96
Use the right lane.
62
Turn slight right onto Kyte Road
1.9 mi·2 min·Kyte Road
63
At end of road, turn right onto CR 28
4.6 mi·6 min·Alderman Road
64
Turn left onto CR 309
1.8 mi·4 min·Magog Road
65
At end of road, turn left onto Canandaigua Road
0.3 mi·50 sec·Canandaigua Road
66
Continue on CR 8
0.6 mi·1 min·County Road 8
67
Turn right onto Allen Padgham Road
0.4 mi·1 min·Allen Padgham Road
68
Turn right onto Hook Road
0.2 mi·31 sec·Hook Road
69
Turn left onto Church Avenue
118 ft·5 sec·Church Avenue
70
Arrive at destination
Church Avenue
Trip Plan
With a 7.5-hour estimated drive time, leaving early in the morning from Smithtown, NY, is your best bet for arriving in Farmington, NY, with daylight to spare. You've got two recommended stops, so plan to take one around the halfway point to stretch your legs and refuel. The longest stretch without a major exit is over 97 miles on I 81, so make sure you’re topped up before starting that segment. Keep an eye on your fuel gauge, as the $57 estimated cost is based on current prices and driving conditions.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
You can normally do this drive in one day.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 173.8 miles from Smithtown, NY, or about 3h 39m into the drive.
The longest continuous stretch on this route runs about 97.3 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 76 miles or 1h 42m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 173.8 miles or 3h 39m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 6h 3m
Traffic, exits, and arrival timing usually matter more near Farmington, NY than in the middle of the route.
Before You Leave
+
Open the route before leaving Smithtown, NY so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
Day 1
Settle into the route from Smithtown, NY
This is one driving day of about 347.5 miles and 7h 31m.
Your first comfortable stop window is around 76 miles from Smithtown, NY.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on I 81 for about 97.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 48
5 decision points cluster between mile 7.6 and 49.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
7.6 mi into trip|~10m in
Keep slight left at fork toward I 495 West: New York
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 495 West: New York
8
33.3 mi into trip|~46m in
Take the exit toward Cross Island Parkway, Whitestone Bridge, Kennedy Airport
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 31N-S
Toward Cross Island Parkway, Whitestone Bridge,...
10
33.5 mi into trip|~46m in
Keep slight right at fork toward Cross Island Parkway North, Whitestone Bridge
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Exit 31N
Toward Cross Island Parkway North, Whitestone B...
8
36.9 mi into trip|~51m in
Take the exit toward I 295 North: Throgs Neck Bridge, Bronx, New England
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 33
Toward I 295 North: Throgs Neck Bridge, Bronx,...
8
49.1 mi into trip|~1h 9m in
Take the exit toward I 95 South, NJTP South: Hackensack
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 95 South, NJTP South: Hackensack
Fuel & Cost
Regular Gas
$61.39 one way
$122.77 round trip
$4.49/gal25.4 MPG avg122 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.86
$66.42
$132.84
premium
$5.28
$72.18
$144.36
diesel
$6.18
$84.54
$169.07
Estimated Tolls: $24.08
George Washington Bridge
$16.00
Throgs Neck Bridge
$6.55
New York State Thruway
(19.4 mi)$0.97
Jericho Turnpike
(4 mi)$0.28
New Jersey Turnpike
(2 mi)$0.28
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$61
Tolls
$24
Meals
$25–$50
Total
$110–$135
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 121.6 kg one way.
Prices: EIA weekly data, 2026-10-12.
Driving Electric?
About $36 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
104.3
1
$36.49
$16.68
Efficient EV
86.9
0
$30.41
$13.90
EV Truck/SUV
139
1
$48.65
$22.24
Gas CO2
122 kg
EV CO2
41 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Oct 17, 2026
Origin
Smithtown, NY
Afternoon
in Smithtown on Saturday
Local time
4:01 PM
EDT
Current temp
43°F
Rain Showers
N 14 mph75% chanceLive forecast
Freeze Warning
Freeze Warning issued October 17 at 2:20AM EDT until October 18 at 9:00AM EDT by NWS Upton NY
Freeze Warning
Freeze Warning issued October 17 at 1:29AM EDT until October 18 at 9:00AM EDT by NWS Buffalo NY
Destination
Farmington, NY
Afternoon
in Farmington on Saturday
Local time
4:01 PM
EDT
Current temp
39°F
Chance Rain Showers
N 16 mph53% chanceLive forecast
Freeze Warning
Freeze Warning issued October 17 at 2:20AM EDT until October 18 at 9:00AM EDT by NWS Upton NY
Freeze Warning
Freeze Warning issued October 17 at 1:29AM EDT until October 18 at 9:00AM EDT by NWS Buffalo NY
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
4 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
7h 31m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Harriet Tubman National Historical Park
National Historical Park
Harriet Tubman was guided by a deep faith and devotion to family, freedom, and community. After emancipating herself and members of her family, she moved them from Ontario, Canada to Fleming and Aubur...
1 mi from route
~4 min detour
Free
near mile 299.6
Merchant’s clerk, Revolutionary War soldier, first Secretary Treasury of the United States: Alexander Hamilton’s life is memorialized at The Grange, the home he built on a country estate in uptown Man...
The final resting place of President Ulysses S. Grant and his wife, Julia, is the largest mausoleum in North America. It testifies to a people’s gratitude for the man who ended the bloodiest conflict...
Women’s Rights National Historical Park tells the story of the first Women’s Rights Convention, held in Seneca Falls, New York on July 19-20, 1848. It is a story of struggles for civil rights, human r...
4 mi from route
~9 min detour
Free
near mile 311.6
Before the 1960s, almost everything about living authentically as a lesbian, a bisexual person or a gay man was illegal. The Stonewall Uprising on June 28, 1969 is a milestone in the quest for civil r...
9 mi from route
~21 min detour
Free
near mile 47.9
The African Burial Ground stands as the oldest and largest known excavated burial site in North America for both free and enslaved Africans. It offers a profound testament to the enduring legacy of Af...
10 mi from route
~25 min detour
Free
near mile 47.9
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
You'll spend about 52% of your 347.5 miles on highways, with the longest continuous stretch being 97.3 miles on I 81. After I 81, the route shifts to more surface roads, which will feel like a noticeable change in pace. Expect to encounter a higher density of exits and intersections as you move away from the interstate.
Only 52% highway — the rest is turn-by-turn surface driving.
70 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 97.3 mi on I 81.
How Hard Is This Drive?
10/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 7.6 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 48 significant decision points across 347.5 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 7.6 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 33.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 33.5 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
1,971 ft54 ft
Total Climb
3,181 ft
Total Descent
2,676 ft
Highest Point
1,971 ft
~148.9 mi in
Elevation Range
1,917 ft
Notable High Points
966 ft at ~99.3 miles+557 ft prominence
1,971 ft at ~148.9 miles+609 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Smithtown, NY and Farmington, NY, road signs point toward Kennedy Airport, Cross Island Parkway North, Bronx, New England, Upper Level and Njtp South: Hackensack - among others.
Smithtown is a town of 117,000 people (2016) in Suffolk County, on Long Island, in New York. Smithtown is comprised of the villages and hamlets of Commack (in part, with the Town of Huntington), Fort Salonga (in part, with the Town of Huntington), Hauppauge (in part, with the Town of Islip), Head of the Harbor, Kings Park, Lake Ronkonkoma (in part with the Town of Brookhaven and Town of Islip), Nesconset, Nissequogue, Smithtown, St. James, & Village of the Branch.
Doable as a same-day drive at 7h 31m. Total distance: 347.5 miles.
Family Friendly
Moderate complexity with 2 natural rest stops along the way.
Solo Traveler
7h 31m drive, plan rest stops for pacing.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 97.3 miles on I 81. The full list of main roads is in the Roads section above.
Expect about $24.08 in tolls one way, starting with George Washington Bridge. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
Yes — we found about 31 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Farmington, NY before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 31 rest areas along the route for bathroom stops.
The main spots that need attention: at 7.6 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 33.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 33.5 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Harriet Tubman National Historical Park, Hamilton Grange National Memorial and General Grant National Memorial (6 total within detour distance). See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 7.5 hours each way, a round trip means 15.0 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Farmington, NY before the return drive.
