How far is Derry, NH from Alton, NH?

The driving distance from Derry, NH to Alton, NH is about 51.4 miles (82.8 km), with a travel time of about 01h 20m by car.

  • The straight-line flight distance is about 39.9 miles (64.2 km).
  • For a round trip, plan for roughly 02h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
51.46 mi
01h 20m
Flight
39.89 mi
64.19 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Derry.

Flight Distance

Direct air line
39.89 mi
Kilometers
64.19 km
Flight Time
00h 04m

Driving Distance

Road route
51.46 mi
Kilometers
82.82 km
Drive Time
01h 20m

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 01h 20m.

Arrival Snapshot
Arrive in Alton
Thu, Apr 16, 2:23 AM EDT
Return by in Derry
Thu, Apr 16, 3:43 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Derry
2026-04-16T01:02
Arrive Alton
Thu, Apr 16, 2:23 AM EDT
Route Timing
01h 20m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:20 AM to 11:20 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:50 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Derry
9:30 PM EDT
Morning start is best

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
Allenstown
NH

Town in New Hampshire

From Derry
25.7 mi
00h 40m
To Alton
25.7 mi
00h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Thursday

Chance Rain Showers

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 5 mph SE
Destination
67°F
Thursday

Rain Showers Likely

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 10 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    24 m · 11 sec

  2. 2

    Turn left

    32 m · 10 sec

  3. 3

    Turn right onto West Broadway

    3209 ft · 2 min · West Broadway

  4. 4

    Continue on Nashua Road

    1538 ft · 44 sec · Nashua Road

  5. 5

    Take the ramp right toward I 93 North: Manchester, Concord

    1729 ft · 43 sec

  6. 6

    Merge slight left onto Alan Bartlett Shepard Junior Highway

    2.3 mi · 3 min · Alan Bartlett Shepard Junior Highway

  7. 7

    Continue on Alan B Shepard Jr Highway

    1 mi · 1 min · Alan B Shepard Jr Highway

  8. 8

    Continue on Alan B Shepard Highway

    5.7 mi · 7 min · Alan B Shepard Highway

  9. 9

    Keep slight left to continue on I 93 North: Concord, Plymouth

    7.1 mi · 9 min

  10. 10

    Keep slight right to continue on Everett Turnpike

    1625 ft · 21 sec · Everett Turnpike

  11. 11

    Take the exit slight right toward Hooksett

    2590 ft · 1 min

  12. 12

    Turn left onto Hackett Hill Road

    1333 ft · 39 sec · Hackett Hill Road

  13. 13

    Turn left onto West River Road

    1787 ft · 44 sec · West River Road

  14. 14

    Turn right onto Riverside Street

    1560 ft · 1 min · Riverside Street

  15. 15

    Turn left onto Main Street

    1272 ft · 36 sec · Main Street

  16. 16

    Turn straight onto College Park Drive

    2508 ft · 1 min · College Park Drive

  17. 17

    Turn left onto Hooksett Road

    2.2 mi · 4 min · Hooksett Road

  18. 18

    Continue on Allenstown Road

    1298 ft · 32 sec · Allenstown Road

  19. 19

    Turn right onto Pinewood Road

    3.2 mi · 5 min · Pinewood Road

  20. 20

    Continue on Route 28

    1.3 mi · 2 min · Route 28

  21. 21

    Continue on Suncook Valley Highway

    4.3 mi · 7 min · Suncook Valley Highway

  22. 22

    Enter the roundabout and take exit 2 toward Epsom Circle

    64 m · 5 sec · Suncook Valley Highway

  23. 23

    Exit the rotary onto Suncook Valley Highway

    1.6 mi · 3 min · Suncook Valley Highway

  24. 24

    Continue on Suncook Valley Road

    4.3 mi · 6 min · Suncook Valley Road

  25. 25

    Continue on Suncook Valley Highway

    1440 ft · 31 sec · Suncook Valley Highway

  26. 26

    Continue on Suncook Valley Road

    1.1 mi · 2 min · Suncook Valley Road

  27. 27

    Continue on Suncook Valley Highway

    1.5 km · 2 min · Suncook Valley Highway

  28. 28

    Continue on Suncook Valley Road

    11.7 mi · 18 min · Suncook Valley Road

  29. 29

    Enter the roundabout and take exit 4 toward the route

    1115 ft · 32 sec

  30. 30

    Exit the roundabout

    1329 ft · 43 sec

  31. 31

    Turn left

    102 m · 24 sec

  32. 32

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Derry 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
32 steps
15 turns on the saved route
Ramps & Exits
7
1 merges, 6 ramps or exits
Navigation Density
62.1 / 100 mi
Decision points by distance
Main Roads
Suncook Valley Road
17.6 mi · 34%
I 93 North
7.41 mi · 14%
Suncook Valley Highway
7.15 mi · 14%
Alan B Shepard Highway
5.69 mi · 11%
Pinewood Road
3.17 mi · 6%
Alan Bartlett Shepard Junior Highway
2.25 mi · 4%
Longest Stretch

Suncook Valley Road

Continue on Suncook Valley Road

11.7 mi · 00h 18m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 20m
Day trip friendly
Same-Day Return
02h 40m
Round-trip wheel time
Road vs Air
+11.5 mi
39.9 mi direct line
Halfway Stop
Allenstown
00h 40m from Derry
Leave By
3:50 PM EDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Derry and Rain Showers Likely near Alton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 51.4 miles (82.8 km) and usually takes 01h 20m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Allenstown is a useful midpoint, sitting about 25.7 miles from Derry and 25.7 miles from Alton.

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

The direct path is about 39.9 miles (64.2 km), while the road route adds roughly 11.5 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:50 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.14 one way or $14.28 round trip. Estimated CO2 is about 16.1 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Derry and Rain Showers Likely near Alton.

Stop Ideas Near Allenstown

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

Mid-route Guidance
Local place coverage is thin around Allenstown, 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 Allenstown.

BUS

Concord, New Hampshire

12 mi away
30 Stickney Ave.
BUS

Manchester, New Hampshire

20 mi away
119 Canal St.
BUS

Tilton, New Hampshire

36 mi away
I-93 and US hwy 3
RAIL

Durham–UNH station

38 mi away
3 Depot Road

Flight Path Map

This map shows the direct air route between Derry and Alton. Straight-line distance: 39.89 mi (64.19 km).

Derry

#1 Derry

Town in New Hampshire, United States

Population33,442
Coordinates42.8806400, -71.3272900
Altitude84
CountryUnited States
Alton

#2 Alton

Town in New Hampshire (United States)

Population5,364
Coordinates43.4523000, -71.2175700
Altitude165
CountryUnited States
Start: Derry (-71.32729, 42.88064)
End: Alton (-71.21757, 43.4523)

Estimated Travel Time

Distance: 83 km by road

SpeedTime
30 mph (48.3 km/h)01h 42m
40 mph (64.37 km/h)01h 17m
50 mph (80.47 km/h)01h 01m
60 mph (96.56 km/h)00h 51m
70 mph (112.65 km/h)00h 44m
80 mph (129 km/h)00h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.81 gal
6.87 L · about $7.14
Round trip
$14.28
3.62 gal · 13.74 L
Estimated CO2
16.1 kg one way
Round trip: 32.2 kg / 71 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $7.14 $14.28
Mid-grade $4.46 $8.07 $16.13
Premium $4.86 $8.79 $17.59
Diesel $6.00 $10.85 $21.71

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

There is no time difference between Derry and Alton. The current time is 01:02:50.

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.