How far is Alton, NH from Dover, NH?
The driving distance from Alton, NH to Dover, NH is about 26.2 miles (42.2 km), with a travel time of about 00h 39m by car.
- The straight-line flight distance is about 24.7 miles (39.7 km).
- For a round trip, plan for roughly 01h 18m 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 39m.
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.
Driving Route Map
The map below follows the saved road route between Alton and Dover.
Turn-by-Turn Driving Directions
Step-by-step road directions between Alton and Dover.
-
1
Start on the route
102 m · 27 sec
-
2
Turn right onto Main Street
1343 ft · 38 sec · Main Street
-
3
Enter the roundabout and take exit 2 toward the route
605 ft · 17 sec
-
4
Exit the roundabout
14.5 mi · 22 min
-
5
Take the exit slight right
552 ft · 16 sec
-
6
Continue on NH 16 On-Ramp South
1625 ft · 25 sec · NH 16 On-Ramp South
-
7
Merge slight left onto Spaulding Turnpike
8.7 mi · 11 min · Spaulding Turnpike
-
8
Take the exit slight right toward NH 9, NH 108: Dover, Somersworth
1388 ft · 36 sec
-
9
At the end of the road, turn left onto Indian Brook Drive
2858 ft · 1 min · Indian Brook Drive
-
10
Turn left onto Sixth Street
1.6 mi · 4 min · Sixth Street
-
11
Turn right onto Central Avenue
978 ft · 30 sec · Central Avenue
-
12
Turn left
35 m · 5 sec
-
13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Alton and Dover.
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.
Main Street
Exit the roundabout
14.5 mi · 00h 22m
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.
Areas Of Frost leaving Alton and Sunny near Dover.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Alton to Dover?
The road trip is about 26.2 miles (42.2 km) and usually takes 00h 39m 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 13.3 miles from Alton and 12.9 miles from Dover.
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 1.5 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.63 one way or $7.26 round trip. Estimated CO2 is about 8.2 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Frost around Alton and Sunny near Dover.
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 Alton and Dover. Straight-line distance: 24.66 mi (39.68 km).
#1 Alton
Town in New Hampshire (United States)
| Population | 5,364 |
| Coordinates | 43.4523000, -71.2175700 |
| Altitude | 165 |
| Country | United States |
#2 Dover
County seat city in Strafford County, New Hampshire, United States
| Population | 32,443 |
| Coordinates | 43.1978600, -70.8736700 |
| Altitude | 19 |
| Country | United States |
End: (-70.873668, 43.197876)
Estimated Travel Time
Distance: 42 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 | $3.63 | $7.26 |
| Mid-grade | $4.46 | $4.10 | $8.20 |
| Premium | $4.86 | $4.47 | $8.94 |
| Diesel | $6.00 | $5.52 | $11.03 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.