Origin
Mount Vernon, NY
Morning in Mount Vernon on Tuesday
Local time
9:07 AM
EDT
Current temp
61°F
Unavailable
Live forecast
Trip from Mount Vernon, NY to Smithtown, NY
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
1h 11m
Distance
48.3 mi
78 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$8
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
1h 5m
★
6 AM
1h 11m
8 AM
1h 22m
10 AM
1h 15m
12 PM
1h 14m
3 PM
1h 16m
5 PM
1h 22m
8 PM
1h 8m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Mount Vernon, NY
Wikimedia Commons
Smithtown, NY
Wikimedia Commons
Trip Overview
Spanning 48.3 miles across New York, this route connects Mount Vernon to Smithtown in approximately 1 hour and 11 minutes. Because of the manageable duration, this trip is perfectly suited as a simple one-day excursion. You will navigate primarily via local roads like North 5th Avenue, Dyre Avenue, and Steenwick Avenue rather than high-speed interstates. Budgeting around $8 for fuel covers the trip comfortably. Since this drive stays entirely within the Northeast region, you won't encounter drastic climate or landscape shifts, keeping the journey straightforward and predictable.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Long Island Expressway | 14.2 mi | 19m |
| Northern State Parkway | 13.7 mi | 18m |
| Jericho Turnpike | 3.9 mi | 5m |
| Clearview Expressway | 3.2 mi | 3m |
| Throgs Neck Expressway | 2.2 mi | 3m |
| Throgs Neck Bridge | 2 mi | 3m |
| New England Thruway | 1.8 mi | 2m |
| Sunken Meadow State Parkway | 1.7 mi | 1m |
Longest stretch:
Long Island Expressway
— 14.2 mi, about 19m
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Vernon, NY and Smithtown, NY.
1
Start on East Prospect Avenue
315 ft
·
17 sec
·
East Prospect Avenue
2
Turn left onto North 5th Avenue
1.5 mi
·
3 min
·
North 5th Avenue
3
Continue on Dyre Avenue
0.5 mi
·
1 min
·
Dyre Avenue
4
Continue on Steenwick Avenue
0.2 mi
·
30 sec
·
Steenwick Avenue
5
At end of road, turn right onto New England Thruway
0.3 mi
·
32 sec
·
New England Thruway
6
Take the ramp
0.1 mi
·
14 sec
Toward I 95 South
7
Merge onto I 95
1.5 mi
·
2 min
·
New England Thruway
8
Continue on I 95
1.3 mi
·
2 min
·
Bruckner Expressway
Use the straight / right lanes.
9
Keep slight left at fork onto I 695
2.2 mi
·
3 min
·
Throgs Neck Expressway
Exit 7A
Toward I 695 South: Throgs Neck Bridge, Long Island
Use the slight left / slight right lanes.
10
Continue on I 295
2.0 mi
·
3 min
·
Throgs Neck Bridge
Use the straight / slight right lanes.
11
Continue on I 295
3.2 mi
·
3 min
·
Clearview Expressway
Use the straight / slight right lanes.
12
Take the exit
0.2 mi
·
27 sec
Exit 4E-W
Toward I 495: Manhattan, Eastern Long Island
Use the straight / slight right lanes.
13
Keep slight left at fork
0.3 mi
·
38 sec
Exit 4E
Toward I 495 East: Long Island Expressway, Eastern Long Island
14
Merge onto I 495
14 mi
·
19 min
·
Long Island Expressway
Use the straight / slight right lanes.
15
Take the exit
0.4 mi
·
52 sec
Exit 42
Toward N East: Hauppauge
Use the slight right lane.
16
Merge onto N
14 mi
·
18 min
·
Northern State Parkway
Use the straight / slight right lanes.
17
Take the exit
0.2 mi
·
25 sec
Exit 45
Toward SM North: Kings Park
Use the right lane.
18
Merge onto SA
499 ft
·
6 sec
·
Sagtikos State Parkway
19
Continue on SM
1.7 mi
·
1 min
·
Sunken Meadow State Parkway
20
Take the exit
0.2 mi
·
30 sec
Exit SM3E
Toward NY 25 East: Jericho Turnpike East, Smithtown
Use the slight right lane.
21
Turn slight right onto NY 25
3.9 mi
·
5 min
·
Jericho Turnpike
22
Continue on NY 25; NY 25A
0.6 mi
·
54 sec
·
West Main Street
Use the left lane.
23
Arrive at destination
NY 25; NY 25A
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
24 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 11 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 24.1 miles from Mount Vernon, NY, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 135 decision points cluster between mile 5.5 and 43.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
9
5.5 mi into trip
|
~11m in
|
I 695 / Throgs Neck Expressway
Keep slight left at fork onto I 695 / Throgs Neck Expressway toward I 695 South: Throgs Neck Bridge, Long Island
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Exit 7A
Toward I 695 South: Throgs Neck Bridge, Long Is...
8
12.9 mi into trip
|
~21m in
Take the exit toward I 495: Manhattan, Eastern Long Island
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 4E-W
Toward I 495: Manhattan, Eastern Long Island
8
13 mi into trip
|
~21m in
Keep slight left at fork toward I 495 East: Long Island Expressway, Eastern Long Island
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Exit 4E
Toward I 495 East: Long Island Expressway, East...
7
27.5 mi into trip
|
~41m in
Take the exit toward N East: Hauppauge
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 42
Toward N East: Hauppauge
8
43.6 mi into trip
|
~1h 3m in
Take the exit toward NY 25 East: Jericho Turnpike East, Smithtown
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit SM3E
Toward NY 25 East: Jericho Turnpike East, Smith...
Fuel & Cost
Regular Gas
$7.95 one way
$15.90 round trip
$4.18/gal
25.4 MPG avg
17 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $8.60 | $17.19 |
| premium | $4.92 | $9.36 | $18.72 |
| diesel | $5.61 | $10.66 | $21.33 |
Estimated Tolls: $6.93
Throgs Neck Bridge
$6.55
Jericho Turnpike
(3.9 mi)
$0.27
New England Thruway
(1.5 mi)
$0.11
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$8
Tolls
$7
Total
$15
Estimated CO2 emission: 16.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 65% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 14.5 | 0 | $5.07 | $2.32 |
| Efficient EV | 12.1 | 0 | $4.23 | $1.93 |
| EV Truck/SUV | 19.3 | 0 | $6.76 | $3.09 |
Gas CO2
17 kg
EV CO2
6 kg (65% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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.
Destination
Smithtown, NY
Morning in Smithtown on Tuesday
Local time
9:07 AM
EDT
Current temp
54°F
Unavailable
Live forecast
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
7 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
1h 11m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
Expect a turn-heavy local drive that demands your full attention behind the wheel. With a 0% highway share, you will be navigating surface streets for the entire 48.3-mile distance. The experience is defined by constant maneuvering through local corridors rather than the monotony of an interstate cruise. Because there are no long, uninterrupted stretches, the pace remains steady but requires frequent adjustments to your speed and direction. This isn't a route for cruise control; it is a hands-on drive that keeps you engaged with the local road network from start to finish.
83% highway — fuel and pacing are the main things to plan.
23 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 14.2 mi on Long Island Expressway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Long Island Expressway and Northern State Parkway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 5.5 miles in near I 695 / Throgs Neck Expressway.
Driving Effort
10/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 48.3 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 5.5 miles (I 695 / Throgs Neck Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 12.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 13 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Mount Vernon, NY and Smithtown, NY, road signs point toward Long Island, Eastern Long Island, N East: Hauppauge and Sm North: Kings Park.
Long Island
5.5 mi in
|
~11m
|
via I 695
Eastern Long Island
12.9 mi in
|
~21m
N East: Hauppauge
27.5 mi in
|
~41m
Sm North: Kings Park
41.6 mi in
|
~1h 1m
About the Cities
Starting in Mount Vernon, NY
Full guide →Founded 1892
Mount Vernon is a city in Westchester County in New York.
Top landmarks
- • Saint Paul's Church National Historic Site — national Historic Site of the United States
- • Trinity Episcopal Church Complex — church building in Mount Vernon, New York, United States
Arriving in Smithtown, NY
Full guide →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.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 11m. Total distance: 48.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 11m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (83%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 14.2 miles on Long Island Expressway. The full list of main roads is in the Roads section above.
Expect about $6.93 in tolls one way, starting with Throgs Neck 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.
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 Smithtown, NY before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 5.5 miles (I 695 / Throgs Neck Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 12.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 13 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Yes — Hamilton Grange National Memorial, General Grant National Memorial and Stonewall National Monument (6 total within detour distance). See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Smithtown, NY before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Smithtown, NY
More trips to Smithtown, NY
Explore more options from Mount Vernon, NY or browse trips ending in Smithtown, NY.
Looking for more statewide routes? Browse NY road trips.