How far is Dover, NH from Alton, NH?
The driving distance from Dover, NH to Alton, NH is about 26.5 miles (42.6 km), with a travel time of about 00h 42m by car.
- The straight-line flight distance is about 24.7 miles (39.7 km).
- For a round trip, plan for roughly 01h 24m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 42m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
City in Strafford County, New Hampshire, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Dover and Alton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dover and Alton.
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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
1329 ft · 43 sec
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13
Turn left
102 m · 24 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Dover and Alton.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Spaulding Turnpike
Merge slight left onto Spaulding Turnpike
8.49 mi · 00h 10m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Partly Cloudy leaving Dover and Mostly Cloudy then Showers And Thunderstorms Likely near Alton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dover to Alton?
The road trip is about 26.5 miles (42.6 km) and usually takes 00h 42m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Rochester is a useful midpoint, sitting about 13.2 miles from Dover and 13.2 miles from Alton.
How much longer is the road route than the straight-line distance?
The direct path is about 24.7 miles (39.7 km), while the road route adds roughly 1.8 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.67 one way or $7.34 round trip. Estimated CO2 is about 8.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Dover and Mostly Cloudy then Showers And Thunderstorms Likely near Alton.
Stop Ideas Near Rochester
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 Rochester.
Dover Transportation Center
Durham–UNH station
Portsmouth, New Hampshire
Wells Regional Transportation Center
Flight Path Map
This map shows the direct air route between Dover and Alton. Straight-line distance: 24.66 mi (39.68 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 Alton
Town in New Hampshire (United States)
| Population | 5,364 |
| Coordinates | 43.4523000, -71.2175700 |
| Altitude | 165 |
| Country | United States |
End: Alton (-71.21757, 43.4523)
Estimated Travel Time
Distance: 43 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 52m |
| 40 mph (64.37 km/h) | 00h 39m |
| 50 mph (80.47 km/h) | 00h 31m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $3.67 | $7.34 |
| Mid-grade | $4.46 | $4.15 | $8.29 |
| Premium | $4.86 | $4.52 | $9.04 |
| Diesel | $6.00 | $5.58 | $11.15 |
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 · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.