How far is Somersworth, NH from Londonderry, NH?
The driving distance from Somersworth, NH to Londonderry, NH is about 52.3 miles (84.1 km), with a travel time of about 01h 08m by car.
- The straight-line flight distance is about 37.5 miles (60.4 km).
- For a round trip, plan for roughly 02h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
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 01h 08m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Somersworth and Londonderry.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somersworth and Londonderry.
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1
Start on Highland Street
3 m · 2 sec · Highland Street
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2
Turn right onto High Street
2.5 mi · 6 min · High Street
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3
Continue on Indian Brook Drive
1 mi · 3 min · Indian Brook Drive
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4
Turn left
1920 ft · 47 sec
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5
Merge slight left onto Spaulding Turnpike
2 mi · 3 min · Spaulding Turnpike
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6
Take the exit slight right toward NH 9 West, NH 155 West: Madbury
900 ft · 31 sec
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7
Turn slight right onto Knox Marsh Road
2.8 mi · 5 min · Knox Marsh Road
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8
Continue on Manchester Road
106 m · 8 sec · Manchester Road
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9
Continue on Lee Road
1.3 mi · 2 min · Lee Road
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10
Continue on Turtle Pond Road
1.1 mi · 2 min · Turtle Pond Road
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11
Take the ramp right
1240 ft · 19 sec
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12
Merge slight left onto Concord Road
1.3 mi · 2 min · Concord Road
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13
Enter the roundabout and take exit 3 toward Lee Circle
88 m · 8 sec · Calef Highway
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14
Exit the rotary onto Calef Highway
9.6 mi · 15 min · Calef Highway
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15
Take the exit slight right
1904 ft · 47 sec
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16
Merge slight left
20.3 mi · 24 min
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17
Keep slight left to continue on Alan B Shepard Highway
4 mi · 5 min · Alan B Shepard Highway
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18
Take the exit slight right toward NH 28: North Londonderry
1366 ft · 33 sec
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19
Keep slight right
577 ft · 14 sec
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20
Turn right onto Rockingham Road
1 mi · 2 min · Rockingham Road
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21
Turn slight left onto Smith Lane
699 ft · 36 sec · Smith Lane
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22
Turn left onto Mammoth Road
3.5 mi · 7 min · Mammoth Road
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23
Arrive at your destination
0 m · 1 sec · Mammoth Road
Car Route Details
A richer read on the saved driving route between Somersworth and Londonderry.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Calef Highway
Merge slight left
20.3 mi · 00h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Showers And Thunderstorms leaving Somersworth and Showers And Thunderstorms Likely near Londonderry.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somersworth to Londonderry?
The road trip is about 52.3 miles (84.1 km) and usually takes 01h 08m 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?
Raymond is a useful midpoint, sitting about 26.1 miles from Somersworth and 26.2 miles from Londonderry.
How much longer is the road route than the straight-line distance?
The direct path is about 37.5 miles (60.4 km), while the road route adds roughly 14.8 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 4:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.26 one way or $14.52 round trip. Estimated CO2 is about 16.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Somersworth and Showers And Thunderstorms Likely near Londonderry.
Stop Ideas Near Raymond
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 Raymond.
Exeter station
Durham–UNH station
Manchester, New Hampshire
Haverhill station
Flight Path Map
This map shows the direct air route between Somersworth and Londonderry. Straight-line distance: 37.56 mi (60.44 km).
#1 Somersworth
City in Strafford County, New Hampshire, United States
| Population | 12,286 |
| Coordinates | 43.2617500, -70.8653400 |
| Altitude | 71 |
| Country | United States |
#2 Londonderry
Town in Rockingham County, New Hampshire, United States of America
| Population | 26,646 |
| Coordinates | 42.8650900, -71.3739500 |
| Altitude | 128 |
| Country | United States |
End: Mammoth Road (-71.374062, 42.865057)
Estimated Travel Time
Distance: 84 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 44m |
| 40 mph (64.37 km/h) | 01h 18m |
| 50 mph (80.47 km/h) | 01h 02m |
| 60 mph (96.56 km/h) | 00h 52m |
| 70 mph (112.65 km/h) | 00h 44m |
| 80 mph (129 km/h) | 00h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $7.26 | $14.52 |
| Mid-grade | $4.46 | $8.20 | $16.40 |
| Premium | $4.86 | $8.94 | $17.88 |
| Diesel | $6.00 | $11.03 | $22.07 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.