The drive from Port Jefferson, NY to Buffalo, NY covers 433.4 miles and takes about 9h 9m behind the wheel.
It usually feels better as a 2-day road trip than as one long push.
The route leans on I 86, Christopher Columbus Highway, I 81 for much of the mileage,
and the overall profile is mostly highway.
The longest uninterrupted segment is about 100 miles on I 86.
At current regular gas prices, budget about $70.44 one way before food or hotel costs.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
216.7 miles from Port Jefferson, NY
A natural place for your longest stop of the day
, about 4h 35m into the drive
.
Main Roads
Road
Distance
Duration
I 86
100 mi
1h 56m
Christopher Columbus Highway
68.2 mi
1h 20m
I 81
58.1 mi
1h 9m
Genesee Expressway
32.9 mi
37m
Long Island Expressway
28.3 mi
38m
I 380
27.7 mi
30m
Keystone Shortway
17.3 mi
24m
Aurora Expressway
12.5 mi
14m
Longest stretch:
I 86
— 100 mi, about 1h 56m
Traffic on I-80
Hour-of-day weekday pattern from 168 FHWA count stations on your route.
Peak
3 PM
~4,210 veh/hr typical
· worst 4,900
Quietest
1 AM
~430 veh/hr
Peak-to-quiet ratio
9.8×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 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 Port Jefferson, NY and Buffalo, NY.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 40
5 decision points cluster between mile 43.9 and 59.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
43.9 mi into trip|~1h 3m 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
44.1 mi into trip|~1h 3m 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
47.5 mi into trip|~1h 9m 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
59.7 mi into trip|~1h 26m 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
8
59.9 mi into trip|~1h 27m in
Keep slight left at fork toward I 95 South, NJTP South: Hackensack
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Toward I 95 South, NJTP South: Hackensack
Fuel & Cost
Regular Gas
$70.44 one way
$140.87 round trip
$4.13/gal25.4 MPG avg152 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.47
$76.24
$152.47
premium
$4.87
$83.03
$166.06
diesel
$5.40
$92.19
$184.38
Estimated Tolls: $23.14
George Washington Bridge
$16.00
Throgs Neck Bridge
$6.55
New Jersey Turnpike
(2 mi)$0.28
Niagara Thruway
(4.9 mi)$0.24
New York State Thruway
(1.3 mi)$0.07
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
$70
Tolls
$23
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$224–$334
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 151.6 kg one way.
Prices: EIA weekly data, 2026-04-20.
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $46 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
130
1
$45.51
$20.80
Efficient EV
108.4
1
$37.92
$17.34
EV Truck/SUV
173.4
2
$60.68
$27.74
Gas CO2
152 kg
EV CO2
51 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 Apr 26, 2026
Origin
Port Jefferson, NY
Afternoon
in Port Jefferson on Sunday
Local time
12:09 PM
EDT
Current temp
53°F
Slight Chance Rain Showers then Partly Sunny
E 10 to 14 mph27% chanceLive forecast
Flood Warning
Flood Warning issued April 26 at 12:24AM EDT by NWS Binghamton NY
Flood Warning
Flood Warning issued April 25 at 8:05PM EDT until April 26 at 11:00AM EDT by NWS Buffalo NY
Destination
Buffalo, NY
Afternoon
in Buffalo on Sunday
Local time
12:09 PM
EDT
Current temp
61°F
Areas Of Fog then Mostly Sunny
NE 6 mph0% chanceLive forecast
Flood Warning
Flood Warning issued April 26 at 12:24AM EDT by NWS Binghamton NY
Flood Warning
Flood Warning issued April 25 at 8:05PM EDT until April 26 at 11:00AM 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.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
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
8 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
9h 9m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
433.4 mi in 9h 9m, mostly highway — 100 mi of that is on I 86.
63% highway — fuel and pacing are the main things to plan.
61 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 100 mi on I 86.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on I 86 and Christopher Columbus Highway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 43.9 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 40 significant decision points across 433.4 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 43.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 44.1 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 47.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. 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.
Between Port Jefferson, NY and Buffalo, NY, road signs point toward Kennedy Airport, Cross Island Parkway North, Bronx, New England, Upper Level and Njtp South: Hackensack - among others.
Port Jefferson, often called "Port Jeff" for short, is a village in Suffolk County, Long Island. It is a historical village where good food, friendly people, and pleasant waterfront views can be found.
The largest city in New York State's Niagara Frontier, Buffalo is a city full of surprises. Though Buffalo is sometimes the butt of jokes about chicken wings, its long-suffering sports teams, and the mountains of snow under which it is supposedly buried each winter, those in the know tell a different story: one of vibrant nightlife, world-class museums and cultural attractions, tight-knit neighborhoods with strong community spirit – and the sunniest summers in Northeastern United States.
Top landmarks
•Buffalo AKG Art Museum — art museum in New York, US
•Buffalo City Hall — skyscraper and municipal building in Buffalo, New York, USA
The longest stretch is about 100 miles on I 86. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 217 miles on day one.
Expect about $23.14 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.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
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 Buffalo, 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. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 43.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 44.1 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 47.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Not recommended in a single day. At 9.2 hours each way, a round trip means 18.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Buffalo, NY before the return drive.
