How far is Dublin, NH from Londonderry, NH?

The driving distance from Dublin, NH to Londonderry, NH is about 50.1 miles (80.6 km), with a travel time of about 01h 21m by car.

  • The straight-line flight distance is about 35 miles (56.3 km).
  • For a round trip, plan for roughly 02h 42m 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
50.1 mi
01h 21m
Flight
34.98 mi
56.3 km direct

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

Learn Distance

Choose another destination from Dublin.

Flight Distance

Direct air line
34.98 mi
Kilometers
56.3 km
Flight Time
00h 04m

Driving Distance

Road route
50.1 mi
Kilometers
80.63 km
Drive Time
01h 21m

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 21m.

Arrival Snapshot
Arrive in Londonderry
Tue, Sep 15, 8:54 PM EDT
Return by in Dublin
Tue, Sep 15, 10:15 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dublin
2026-09-15T19:32
Arrive Londonderry
Tue, Sep 15, 8:54 PM EDT
Route Timing
01h 21m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:21 AM to 11:21 AM EDT

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

Leave by
3:48 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dublin
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
Milford
NH

Town in Hillsborough County, New Hampshire, United States

From Dublin
25 mi
00h 40m
To Londonderry
25.1 mi
00h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Today

Sunny

Starts
Tue, Sep 15 6:00 AM EDT
Wind
0 to 5 mph S
Destination
46°F
Overnight

Clear

Starts
Tue, Sep 15 3:00 AM EDT
Wind
0 mph

Driving Route Map

The map below follows the saved road route between Dublin and Londonderry.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dublin and Londonderry.

  1. 1

    Start on New Harrisville Road

    8 m · 1 sec · New Harrisville Road

  2. 2

    Continue on Dublin Road

    159 m · 20 sec · Dublin Road

  3. 3

    Turn left onto Main Street

    1 km · 2 min · Main Street

  4. 4

    Continue on State Route 101

    3.5 mi · 6 min · State Route 101

  5. 5

    Continue on Peterborough Bypass

    1.8 mi · 3 min · Peterborough Bypass

  6. 6

    Enter the roundabout and take exit 1 toward Peterborough Bypass

    24 m · 2 sec · Peterborough Bypass

  7. 7

    Exit the roundabout onto Peterborough Bypass

    3157 ft · 1 min · Peterborough Bypass

  8. 8

    Continue on Wilton Road

    4 mi · 7 min · Wilton Road

  9. 9

    Continue on Gibbons Highway

    9.3 mi · 15 min · Gibbons Highway

  10. 10

    Continue on Elm Street

    1.3 mi · 3 min · Elm Street

  11. 11

    Turn right onto State Route 101

    11.3 mi · 16 min · State Route 101

  12. 12

    Continue straight

    6.3 mi · 10 min

  13. 13

    Take the exit slight right

    3.4 mi · 5 min

  14. 14

    Take the exit slight right toward NH 28

    1725 ft · 42 sec

  15. 15

    Keep slight right

    605 ft · 17 sec

  16. 16

    Turn right onto South Willow Street

    2.1 mi · 3 min · South Willow Street

  17. 17

    Continue on Rockingham Road

    1.7 mi · 3 min · Rockingham Road

  18. 18

    Turn right onto Mammoth Road

    3.6 mi · 7 min · Mammoth Road

  19. 19

    Arrive at your destination

    0 m · 1 sec · Mammoth Road

Car Route Details

A richer read on the saved driving route between Dublin and Londonderry.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
19 steps
6 turns on the saved route
Ramps & Exits
4
0 merges, 4 ramps or exits
Navigation Density
37.9 / 100 mi
Decision points by distance
Main Roads
State Route 101
24.5 mi · 49%
Gibbons Highway
9.33 mi · 19%
Wilton Road
4 mi · 8%
Mammoth Road
3.63 mi · 7%
Peterborough Bypass
2.44 mi · 5%
South Willow Street
2.05 mi · 4%
Longest Stretch

State Route 101

Turn right onto State Route 101

11.3 mi · 00h 16m

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 21m
Day trip friendly
Same-Day Return
02h 42m
Round-trip wheel time
Road vs Air
+15.1 mi
35 mi direct line
Halfway Stop
Milford
00h 40m from Dublin
Leave By
3:48 PM EDT
Morning start is best
Weather Watch

Sunny leaving Dublin and Clear near Londonderry.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dublin to Londonderry?

The road trip is about 50.1 miles (80.6 km) and usually takes 01h 21m 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?

Milford is a useful midpoint, sitting about 25 miles from Dublin and 25.1 miles from Londonderry.

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

The direct path is about 35 miles (56.3 km), while the road route adds roughly 15.1 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:48 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.57 one way or $15.14 round trip. Estimated CO2 is about 15.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Dublin and Clear near Londonderry.

Stop Ideas Near Milford

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

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

BUS

Nashua, NH

13 mi away
8 North Southwood Drive
BUS

Manchester, New Hampshire

23 mi away
119 Canal St.
BUS

Concord, New Hampshire

43 mi away
30 Stickney Ave.
RAIL

Haverhill station

46 mi away
Washington Street at Railroad Square

Flight Path Map

This map shows the direct air route between Dublin and Londonderry. Straight-line distance: 34.98 mi (56.3 km).

Dublin

#1 Dublin

Town in New Hampshire

Population1,555
Coordinates42.9075800, -72.0625800
Altitude454
CountryUnited States
Londonderry

#2 Londonderry

Town in Rockingham County, New Hampshire, United States of America

Population26,646
Coordinates42.8650900, -71.3739500
Altitude128
CountryUnited States
Start: Dublin (-72.06258, 42.90758)
End: Londonderry (-71.37395, 42.86509)

Estimated Travel Time

Distance: 81 km by road

SpeedTime
30 mph (48.3 km/h)01h 40m
40 mph (64.37 km/h)01h 15m
50 mph (80.47 km/h)01h 00m
60 mph (96.56 km/h)00h 50m
70 mph (112.65 km/h)00h 42m
80 mph (129 km/h)00h 37m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.77 gal
6.69 L · about $7.57
Round trip
$15.14
3.54 gal · 13.38 L
Estimated CO2
15.7 kg one way
Round trip: 31.5 kg / 69 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.28 $7.57 $15.14
Mid-grade $4.84 $8.56 $17.12
Premium $5.29 $9.36 $18.72
Diesel $6.10 $10.80 $21.60

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 · Sep 15, 2026

There is no time difference between Dublin and Londonderry. The current time is 19:32:40.

Distance to Other Cities

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