How far is Dover, NH from Colebrook, NH?
The driving distance from Dover, NH to Colebrook, NH is about 166.7 miles (268.3 km), with a travel time of about 04h 02m by car.
- The straight-line flight distance is about 121.2 miles (195.1 km).
- For a round trip, plan for roughly 08h 04m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 02m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town in Grafton County, New Hampshire, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Isolated Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Dover and Colebrook.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dover and Colebrook.
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1
Start on the route
7 m · 8 sec
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2
Turn sharp left onto Main Street
98 m · 11 sec · Main Street
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3
Turn straight onto Central Avenue
1.9 mi · 5 min · Central Avenue
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4
Turn left onto Indian Brook Drive
1634 ft · 47 sec · Indian Brook Drive
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5
Take the ramp slight right toward Spaulding Turnpike North, NH 16 North: Rochester
1167 ft · 29 sec
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6
Merge slight left onto Spaulding Turnpike
8.5 mi · 10 min · Spaulding Turnpike
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7
Take the exit slight right toward NH 11 West: Farmington, Alton
1684 ft · 59 sec
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8
Turn left onto Farmington Road
2.3 mi · 4 min · Farmington Road
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9
Continue on NH Route 11
6.1 mi · 9 min · NH Route 11
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10
Continue on Henry Wilson Highway
6.2 mi · 9 min · Henry Wilson Highway
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11
Enter the roundabout and take exit 3 toward the route
797 ft · 23 sec
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12
Exit the roundabout
3023 ft · 2 min
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13
Turn left onto Factory Street
2617 ft · 1 min · Factory Street
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14
Continue on Frank C. Gilman Highway
3.7 mi · 7 min · Frank C. Gilman Highway
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15
Continue on New Hampshire Route 140
10 mi · 18 min · New Hampshire Route 140
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16
Continue on Gilmanton Road
1.9 mi · 3 min · Gilmanton Road
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17
Continue on State Route 140
1135 ft · 36 sec · State Route 140
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18
Continue on Main Street
1094 ft · 31 sec · Main Street
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19
Turn right onto Depot Street
2.9 mi · 5 min · Depot Street
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20
Continue on Tilton Road
1.8 mi · 3 min · Tilton Road
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21
Continue on I 93 North
2342 ft · 57 sec
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22
Merge slight left onto Styles Bridges Highway
47.3 mi · 51 min · Styles Bridges Highway
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23
Continue on Franconia Notch Parkway
7.7 mi · 12 min · Franconia Notch Parkway
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24
Take the exit slight right toward US 3 North: Twin Mountain, Lancaster
10.4 mi · 16 min
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25
Continue on US Route 3 North
6.1 mi · 9 min · US Route 3 North
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26
Continue on Twin Mountain Road
2.3 mi · 4 min · Twin Mountain Road
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27
Continue on Daniel Webster Highway
142 m · 11 sec · Daniel Webster Highway
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28
Continue on Lancaster Road
2 mi · 3 min · Lancaster Road
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29
Continue on Prospect Street
6.3 mi · 9 min · Prospect Street
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30
Continue on Main Street
1.3 km · 2 min · Main Street
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31
Enter the roundabout and take exit 1 toward North Main Street
12 m · 1 sec · North Main Street
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32
Exit the roundabout onto North Main Street
5.2 mi · 8 min · North Main Street
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33
Continue on Lancaster Road
1.2 mi · 2 min · Lancaster Road
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34
Continue on Main Street
2.8 mi · 5 min · Main Street
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35
Turn slight left onto Church Street
965 ft · 26 sec · Church Street
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36
Continue on State Street
1594 ft · 27 sec · State Street
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37
Continue on Daniel Webster Highway
12.3 mi · 18 min · Daniel Webster Highway
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38
Continue on US Route 3
3.3 mi · 5 min · US Route 3
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39
Continue on Daniel Webster Highway
8.1 mi · 12 min · Daniel Webster Highway
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40
Continue on US Route 3
1.6 mi · 2 min · US Route 3
-
41
Continue on Main Street
1181 ft · 21 sec · Main Street
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42
Turn right onto Pleasant Street
45 m · 7 sec · Pleasant Street
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43
Arrive at your destination
0 m · 1 sec · Pleasant Street
Car Route Details
A richer read on the saved driving route between Dover and Colebrook.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Styles Bridges Highway
Merge slight left onto Styles Bridges Highway
47.3 mi · 00h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny then Isolated Rain Showers leaving Dover and Mostly Sunny near Colebrook.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dover to Colebrook?
The road trip is about 166.7 miles (268.3 km) and usually takes 04h 02m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Thornton is a useful midpoint, sitting about 83.3 miles from Dover and 83.4 miles from Colebrook.
How much longer is the road route than the straight-line distance?
The direct path is about 121.2 miles (195.1 km), while the road route adds roughly 45.5 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 8:56 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.20 one way or $46.39 round trip. Estimated CO2 is about 52.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny then Isolated Rain Showers around Dover and Mostly Sunny near Colebrook.
Stop Ideas Near Thornton
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 Thornton.
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Flight Path Map
This map shows the direct air route between Dover and Colebrook. Straight-line distance: 121.23 mi (195.1 km).
#1 Dover
County seat city in Strafford County, New Hampshire, United States
| Population | 32,443 |
| Coordinates | 43.1978600, -70.8736700 |
| Altitude | 19 |
| Country | United States |
#2 Colebrook
City in Coös County, New Hampshire, United States of America
| Population | 2,134 |
| Coordinates | 44.8944900, -71.4959200 |
| Altitude | 313 |
| Country | United States |
End: Colebrook (-71.49592, 44.89449)
Estimated Travel Time
Distance: 268 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 33m |
| 40 mph (64.37 km/h) | 04h 10m |
| 50 mph (80.47 km/h) | 03h 20m |
| 60 mph (96.56 km/h) | 02h 46m |
| 70 mph (112.65 km/h) | 02h 22m |
| 80 mph (129 km/h) | 02h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $23.20 | $46.39 |
| Mid-grade | $4.46 | $26.21 | $52.41 |
| Premium | $4.86 | $28.57 | $57.13 |
| Diesel | $6.00 | $35.26 | $70.52 |
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 Hampshire · May 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.