How far is Rochester, NH from Alton, NH?

The driving distance from Rochester, NH to Alton, NH is about 16.9 miles (27.2 km), with a travel time of about 00h 28m by car.

  • The straight-line flight distance is about 15.8 miles (25.5 km).
  • For a round trip, plan for roughly 00h 57m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
16.88 mi
00h 28m
Flight
15.87 mi
25.54 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Rochester.

Flight Distance

Direct air line
15.87 mi
Kilometers
25.54 km
Flight Time
00h 01m

Driving Distance

Road route
16.88 mi
Kilometers
27.17 km
Drive Time
00h 28m

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 28m.

Arrival Snapshot
Arrive in Alton
Fri, Apr 17, 10:13 PM EDT
Return by in Rochester
Fri, Apr 17, 10:42 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rochester
2026-04-17T21:44
Arrive Alton
Fri, Apr 17, 10:13 PM EDT
Route Timing
00h 28m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:29 AM to 7:29 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:32 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Rochester
10:00 PM EDT
Flexible departure

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.

Mid-route stop
Farmington
NH

Town in Strafford County, New Hampshire, United States

From Rochester
8.5 mi
00h 14m
To Alton
8.5 mi
00h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Friday

Rain Showers Likely

Starts
Fri, Apr 17 6:00 AM EDT
Wind
0 to 5 mph NE
Destination
65°F
Friday

Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM EDT
Wind
5 mph N

Driving Route Map

The map below follows the saved road route between Rochester and Alton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rochester and Alton.

  1. 1

    Start on the route

    16 m · 4 sec

  2. 2

    Turn right onto Hanson Street

    75 m · 15 sec · Hanson Street

  3. 3

    At the end of the road, turn right onto Wakefield Street

    741 ft · 23 sec · Wakefield Street

  4. 4

    Keep slight left

    804 ft · 27 sec

  5. 5

    Turn right onto North Main Street

    1706 ft · 49 sec · North Main Street

  6. 6

    Enter the roundabout and take exit 1 toward Strafford Square Roundabout

    12 m · 1 sec · North Main Street

  7. 7

    Exit the rotary onto North Main Street

    1.1 mi · 3 min · North Main Street

  8. 8

    Continue on Farmington Road

    2.4 mi · 5 min · Farmington Road

  9. 9

    Continue on NH Route 11

    6.1 mi · 9 min · NH Route 11

  10. 10

    Continue on Henry Wilson Highway

    6.2 mi · 9 min · Henry Wilson Highway

  11. 11

    Enter the roundabout and take exit 3 toward the route

    797 ft · 23 sec

  12. 12

    Exit the roundabout

    1329 ft · 43 sec

  13. 13

    Turn left

    102 m · 24 sec

  14. 14

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Rochester and Alton.

OSRM road route
Drive Character

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.

Directions
14 steps
8 turns on the saved route
Ramps & Exits
4
0 merges, 4 ramps or exits
Navigation Density
82.8 / 100 mi
Decision points by distance
Main Roads
Henry Wilson Highway
6.63 mi · 39%
NH Route 11
6.08 mi · 36%
Farmington Road
2.38 mi · 14%
North Main Street
1.38 mi · 8%
Wakefield Street
0.29 mi · 2%
Hanson Street
0.05 mi
Longest Stretch

Henry Wilson Highway

Continue on Henry Wilson Highway

6.22 mi · 00h 09m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 28m
Quick drive
Same-Day Return
00h 58m
Round-trip wheel time
Road vs Air
+1.1 mi
15.8 mi direct line
Halfway Stop
Farmington
00h 14m from Rochester
Leave By
7:32 PM EDT
Flexible departure
Weather Watch

Rain Showers Likely leaving Rochester and Chance Showers And Thunderstorms near Alton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rochester to Alton?

The road trip is about 16.9 miles (27.2 km) and usually takes 00h 28m 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?

Farmington is a useful midpoint, sitting about 8.5 miles from Rochester and 8.5 miles from Alton.

How much longer is the road route than the straight-line distance?

The direct path is about 15.8 miles (25.5 km), while the road route adds roughly 1.1 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.37 one way or $4.73 round trip. Estimated CO2 is about 5.3 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Rochester and Chance Showers And Thunderstorms near Alton.

Stop Ideas Near Farmington

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Farmington, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Farmington.

RAIL

Dover Transportation Center

26 mi away
33 Chestnut St.
RAIL

Durham–UNH station

30 mi away
3 Depot Road
RAIL

Wells Regional Transportation Center

38 mi away
696 Sanford Road
BUS

Tilton, New Hampshire

41 mi away
I-93 and US hwy 3

Flight Path Map

This map shows the direct air route between Rochester and Alton. Straight-line distance: 15.87 mi (25.54 km).

Rochester

#1 Rochester

City in Strafford County, New Hampshire, United States

Population31,719
Coordinates43.3045300, -70.9756200
Altitude70
CountryUnited States
Alton

#2 Alton

Town in New Hampshire (United States)

Population5,364
Coordinates43.4523000, -71.2175700
Altitude165
CountryUnited States
Start: Rochester (-70.97562, 43.30453)
End: Alton (-71.21757, 43.4523)

Estimated Travel Time

Distance: 27 km by road

SpeedTime
30 mph (48.3 km/h)00h 33m
40 mph (64.37 km/h)00h 25m
50 mph (80.47 km/h)00h 20m
60 mph (96.56 km/h)00h 16m
70 mph (112.65 km/h)00h 14m
80 mph (129 km/h)00h 12m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.6 gal
2.26 L · about $2.37
Round trip
$4.73
1.2 gal · 4.52 L
Estimated CO2
5.3 kg one way
Round trip: 10.7 kg / 24 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $2.37 $4.73
Mid-grade $4.46 $2.67 $5.35
Premium $4.86 $2.91 $5.83
Diesel $6.00 $3.60 $7.20

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 18, 2026

There is no time difference between Rochester and Alton. The current time is 21:44:28.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.