How far is Londonderry, NH from Somersworth, NH?
The driving distance from Londonderry, NH to Somersworth, NH is about 52.6 miles (84.7 km), with a travel time of about 01h 20m by car.
- The straight-line flight distance is about 37.5 miles (60.4 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.
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 20m.
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.
Mostly Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Londonderry and Somersworth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Londonderry and Somersworth.
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1
Start on Mammoth Road
3.5 mi · 7 min · Mammoth Road
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2
Turn right onto Smith Lane
699 ft · 31 sec · Smith Lane
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3
Turn straight onto Rockingham Road
1.2 mi · 2 min · Rockingham Road
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4
Turn left onto I 93 North
2701 ft · 1 min
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5
Merge slight left onto Alan B Shepard Highway
5.2 mi · 7 min · Alan B Shepard Highway
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6
Keep slight right to continue on NH 101 East: Portsmouth, Seacoast
19.1 mi · 22 min
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7
Take the exit slight right toward NH 125: Epping, Kingston
1211 ft · 37 sec
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8
Turn left onto Calef Highway
9.7 mi · 15 min · Calef Highway
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9
Enter the roundabout and take exit 1 toward Lee Circle
8 m · 1 sec · Concord Road
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10
Exit the rotary onto Concord Road
1.3 mi · 2 min · Concord Road
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11
Take the exit slight right toward NH 155: Lee, Madbury
1082 ft · 36 sec
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12
Turn left onto Turtle Pond Road
1.2 mi · 2 min · Turtle Pond Road
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13
Continue on Lee Road
1.3 mi · 2 min · Lee Road
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14
Continue on Manchester Road
106 m · 8 sec · Manchester Road
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15
Continue on Knox Marsh Road
3.2 mi · 5 min · Knox Marsh Road
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16
Enter the roundabout and take exit 2 toward Silver Street
64 m · 4 sec · Silver Street
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17
Exit the roundabout onto Silver Street
30 m · 2 sec · Silver Street
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18
Take the ramp straight
919 ft · 23 sec
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19
Merge slight left onto Spaulding Turnpike
2.1 mi · 3 min · Spaulding Turnpike
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20
Take the exit slight right toward NH 9, NH 108: Dover, Somersworth
144 m · 12 sec
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21
Keep slight right to continue on Dover, Somersworth
526 ft · 13 sec
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22
Turn straight onto Indian Brook Drive
1.2 km · 2 min · Indian Brook Drive
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23
Continue on High Street
2.5 mi · 6 min · High Street
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24
Turn left onto Highland Street
3 m · 1 sec · Highland Street
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25
Arrive at your destination
0 m · 1 sec · Highland Street
Car Route Details
A richer read on the saved driving route between Londonderry and Somersworth.
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.
NH 101 East
Keep slight right to continue on NH 101 East: Portsmouth, Seacoast
19.1 mi · 00h 22m
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.
Mostly Cloudy leaving Londonderry and Mostly Cloudy near Somersworth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Londonderry to Somersworth?
The road trip is about 52.6 miles (84.7 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?
Raymond is a useful midpoint, sitting about 26.3 miles from Londonderry and 26.3 miles from Somersworth.
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 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 3:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.34 one way or $14.68 round trip. Estimated CO2 is about 16.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Londonderry and Mostly Cloudy near Somersworth.
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 Londonderry and Somersworth. Straight-line distance: 37.56 mi (60.44 km).
#1 Londonderry
Town in Rockingham County, New Hampshire, United States of America
| Population | 26,646 |
| Coordinates | 42.8650900, -71.3739500 |
| Altitude | 128 |
| Country | United States |
#2 Somersworth
City in Strafford County, New Hampshire, United States
| Population | 12,286 |
| Coordinates | 43.2617500, -70.8653400 |
| Altitude | 71 |
| Country | United States |
End: Somersworth (-70.86534, 43.26175)
Estimated Travel Time
Distance: 85 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 45m |
| 40 mph (64.37 km/h) | 01h 18m |
| 50 mph (80.47 km/h) | 01h 03m |
| 60 mph (96.56 km/h) | 00h 52m |
| 70 mph (112.65 km/h) | 00h 45m |
| 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 | $7.34 | $14.68 |
| Mid-grade | $4.46 | $8.29 | $16.58 |
| Premium | $4.86 | $9.04 | $18.07 |
| Diesel | $6.00 | $11.15 | $22.31 |
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.