How far is Londonderry, NH from Dublin, NH?

The driving distance from Londonderry, NH to Dublin, NH is about 50.2 miles (80.8 km), with a travel time of about 01h 22m by car.

  • The straight-line flight distance is about 35 miles (56.3 km).
  • For a round trip, plan for roughly 02h 44m 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
50.23 mi
01h 22m
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 Londonderry.

Flight Distance

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

Driving Distance

Road route
50.23 mi
Kilometers
80.84 km
Drive Time
01h 22m

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 22m.

Arrival Snapshot
Arrive in Dublin
Tue, Sep 15, 9:32 PM EDT
Return by in Londonderry
Tue, Sep 15, 10:55 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Londonderry
2026-09-15T20:10
Arrive Dublin
Tue, Sep 15, 9:32 PM EDT
Route Timing
01h 22m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:22 AM to 11:22 AM EDT

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

Leave by
3:46 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Londonderry
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 Londonderry
25 mi
00h 41m
To Dublin
25.2 mi
00h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
46°F
Overnight

Clear

Starts
Tue, Sep 15 3:00 AM EDT
Wind
0 mph
Destination
68°F
Today

Sunny

Starts
Tue, Sep 15 6:00 AM EDT
Wind
0 to 5 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Mammoth Road

    3.6 mi · 7 min · Mammoth Road

  2. 2

    Turn left onto Rockingham Road

    1.7 mi · 3 min · Rockingham Road

  3. 3

    Continue on South Willow Street

    2.1 mi · 4 min · South Willow Street

  4. 4

    Take the ramp left toward NH 101 West, I 293 North: Concord, Bedford

    2011 ft · 49 sec

  5. 5

    Merge slight left

    1.2 mi · 2 min

  6. 6

    Keep slight left to continue on NH 101 West: Bedford, Nashua

    2.2 mi · 3 min

  7. 7

    Turn left

    2229 ft · 49 sec

  8. 8

    Continue straight

    17.2 mi · 26 min

  9. 9

    Turn left onto Elm Street

    1.4 mi · 3 min · Elm Street

  10. 10

    Continue on Gibbons Highway

    9.3 mi · 15 min · Gibbons Highway

  11. 11

    Continue on Wilton Road

    4 mi · 7 min · Wilton Road

  12. 12

    Continue on State Route 101

    54 m · 5 sec · State Route 101

  13. 13

    Merge slight left onto Peterborough Bypass

    2980 ft · 1 min · Peterborough Bypass

  14. 14

    Enter the roundabout and take exit 1 toward Peterborough Bypass

    28 m · 2 sec · Peterborough Bypass

  15. 15

    Exit the roundabout onto Peterborough Bypass

    1.8 mi · 3 min · Peterborough Bypass

  16. 16

    Continue on State Route 101

    3.5 mi · 6 min · State Route 101

  17. 17

    Continue on Main Street

    1 km · 2 min · Main Street

  18. 18

    Turn right onto Dublin Road

    545 ft · 16 sec · Dublin Road

  19. 19

    Arrive at your destination

    0 m · 1 sec · New Harrisville Road

Car Route Details

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

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
19 steps
6 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
37.8 / 100 mi
Decision points by distance
Main Roads
NH 101 West
21 mi · 42%
Gibbons Highway
9.33 mi · 19%
Wilton Road
4 mi · 8%
Mammoth Road
3.62 mi · 7%
State Route 101
3.52 mi · 7%
Peterborough Bypass
2.41 mi · 5%
Longest Stretch

NH 101 West

Continue straight

17.2 mi · 00h 26m

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 22m
Day trip friendly
Same-Day Return
02h 44m
Round-trip wheel time
Road vs Air
+15.2 mi
35 mi direct line
Halfway Stop
Milford
00h 41m from Londonderry
Leave By
3:46 PM EDT
Morning start is best
Weather Watch

Clear leaving Londonderry and Sunny near Dublin.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 50.2 miles (80.8 km) and usually takes 01h 22m 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 Londonderry and 25.2 miles from Dublin.

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 15.2 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 3:46 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 Clear around Londonderry and Sunny near Dublin.

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 Londonderry and Dublin. Straight-line distance: 34.98 mi (56.3 km).

Londonderry

#1 Londonderry

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

Population26,646
Coordinates42.8650900, -71.3739500
Altitude128
CountryUnited States
Dublin

#2 Dublin

Town in New Hampshire

Population1,555
Coordinates42.9075800, -72.0625800
Altitude454
CountryUnited States
Start: Londonderry (-71.37395, 42.86509)
End: Dublin (-72.06258, 42.90758)

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 43m
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
6.71 L · about $7.57
Round trip
$15.14
3.54 gal · 13.42 L
Estimated CO2
15.7 kg one way
Round trip: 31.5 kg / 69 lb CO2, using regular gasoline.
Fuel$/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 Londonderry and Dublin. The current time is 20:10:39.

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.