How far is Amherst, NY from Mamaroneck, NY?
The driving distance from Amherst, NY to Mamaroneck, NY is about 377.7 miles (607.9 km), with a travel time of about 07h 56m by car.
- The straight-line flight distance is about 295.6 miles (475.8 km).
- For a round trip, plan for roughly 15h 53m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 07h 56m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Amherst and Mamaroneck.
Turn-by-Turn Driving Directions
Step-by-step road directions between Amherst and Mamaroneck.
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1
Start on Millersport Highway
1848 ft · 51 sec · Millersport Highway
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2
Take the ramp slight right toward I 290 E
1756 ft · 43 sec
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3
Merge slight left onto Youngmann Expressway
2.4 mi · 3 min · Youngmann Expressway
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4
Keep slight left to continue on I 90 East: Albany
1 km · 57 sec
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5
Merge slight left onto New York State Thruway
99.4 mi · 1 hr 55 min · New York State Thruway
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6
Take the exit slight right toward NY 414: Waterloo, Clyde
2420 ft · 59 sec
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7
Keep slight right
100 m · 8 sec
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8
Continue on State Route 414
1557 ft · 35 sec · State Route 414
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9
Turn left
4.1 mi · 7 min
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10
At the end of the road, turn left onto Auburn Road
1.9 mi · 2 min · Auburn Road
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11
Continue on Clark Street Road
9.6 mi · 11 min · Clark Street Road
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12
Turn right onto State Street
69 m · 12 sec · State Street
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13
Turn left onto Dill Street
720 ft · 22 sec · Dill Street
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14
Continue on Loop Road
140 m · 17 sec · Loop Road
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15
Turn left onto Genesee Street
5.5 mi · 10 min · Genesee Street
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16
Continue on West Genesee Street Road
2.2 mi · 5 min · West Genesee Street Road
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17
Turn right onto East Lake Street
2676 ft · 45 sec · East Lake Street
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18
Continue on East Lake Road
9.4 mi · 14 min · East Lake Road
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19
Continue on State Route 41
4.8 mi · 7 min · State Route 41
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20
Continue on East Lake Road
2904 ft · 49 sec · East Lake Road
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21
Continue on State Highway 41
9.8 mi · 14 min · State Highway 41
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22
Turn right onto North West Street
1.2 mi · 3 min · North West Street
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23
Take the ramp left
1.1 km · 1 min
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24
Keep slight right to continue on I 81 South: Binghamton
1396 ft · 34 sec
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25
Merge slight left
45.4 mi · 54 min
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26
Keep slight left to continue on New York
129.9 mi · 2 hr 40 min
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27
Take the exit slight right toward US 6: Bear Mountain
7.1 mi · 9 min
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28
Enter the roundabout and take exit 2 toward Long Mountain Circle
105 m · 5 sec
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29
Exit the rotary onto Palisades Interstate Parkway South
2854 ft · 1 min
-
30
Merge slight right onto Palisades Interstate Parkway
15.1 mi · 17 min · Palisades Interstate Parkway
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31
Take the exit slight right toward I 87 South, I 287 East: New York City, White Plains, New York State Thruway South
2292 ft · 1 min
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32
Merge slight left onto New York State Thruway
9.2 mi · 13 min · New York State Thruway
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33
Keep slight left to continue on Cross Westchester Expressway
10.7 mi · 14 min · Cross Westchester Expressway
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34
Take the exit slight right toward US 1: Port Chester, Rye
934 ft · 30 sec
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35
Turn right onto Boston Post Road
1.3 km · 1 min · Boston Post Road
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36
Continue on Boston Post Road
3.6 mi · 5 min · Boston Post Road
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37
Arrive at your destination
0 m · 1 sec · East Boston Post Road
Car Route Details
A richer read on the saved driving route between Amherst and Mamaroneck.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
New York
Keep slight left to continue on New York
130 mi · 02h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Amherst and Mostly Sunny near Mamaroneck.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Amherst to Mamaroneck?
The road trip is about 377.7 miles (607.9 km) and usually takes 07h 56m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Port Dickinson is a useful midpoint, sitting about 188.6 miles from Amherst and 189.1 miles from Mamaroneck.
How much longer is the road route than the straight-line distance?
The direct path is about 295.6 miles (475.8 km), while the road route adds roughly 82.1 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $53.44 one way or $106.88 round trip. Estimated CO2 is about 118.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Amherst and Mostly Sunny near Mamaroneck.
Stop Ideas Near Port Dickinson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Port Dickinson.
Scranton, PA
Wilkes-Barre, PA
Empire Expo Center
William F. Walsh Regional Transportation Center
Flight Path Map
This map shows the direct air route between Amherst and Mamaroneck. Straight-line distance: 295.62 mi (475.76 km).
#1 Amherst
Town in New York, United States
| Population | 120,809 |
| Coordinates | 42.9783900, -78.7997600 |
| Altitude | 182 |
| Country | United States |
#2 Mamaroneck
Town in Westchester County, New York
| Population | 29,343 |
| Coordinates | 40.9487100, -73.7326300 |
| Altitude | 0 |
| Country | United States |
End: Mamaroneck (-73.73263, 40.94871)
Estimated Travel Time
Distance: 608 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 35m |
| 40 mph (64.37 km/h) | 09h 26m |
| 50 mph (80.47 km/h) | 07h 33m |
| 60 mph (96.56 km/h) | 06h 17m |
| 70 mph (112.65 km/h) | 05h 23m |
| 80 mph (129 km/h) | 04h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $53.44 | $106.88 |
| Mid-grade | $4.48 | $59.73 | $119.46 |
| Premium | $4.86 | $64.80 | $129.59 |
| Diesel | $4.69 | $62.57 | $125.14 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in New York · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.