How far is Londonderry, NH from Seabrook, NH?
The driving distance from Londonderry, NH to Seabrook, NH is about 38.3 miles (61.6 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 25.5 miles (41.1 km).
- For a round trip, plan for roughly 01h 41m 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 00h 50m.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Londonderry and Seabrook.
Turn-by-Turn Driving Directions
Step-by-step road directions between Londonderry and Seabrook.
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1
Start on Mammoth Road
23 m · 9 sec · Mammoth Road
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2
Turn left onto Pillsbury Road
1 mi · 2 min · Pillsbury Road
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3
At the end of the road, turn right onto Pillsbury Road
787 ft · 19 sec · Pillsbury Road
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4
Continue on Gilcreast Road
1.2 km · 2 min · Gilcreast Road
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5
Turn left onto Nashua Road
1230 ft · 37 sec · Nashua Road
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6
Take the ramp slight right toward I 93 South
2700 ft · 1 min
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7
Merge slight left onto Alan Bartlett Shepard Junior Highway
11.6 mi · 13 min · Alan Bartlett Shepard Junior Highway
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8
Take the exit slight right toward MA 213 East: Methuen, Haverhill
1938 ft · 42 sec
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9
Merge slight left onto Loop Connector
76 m · 5 sec · Loop Connector
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10
Continue on Loop Connector
3.5 mi · 5 min · Loop Connector
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11
Keep slight left to continue on I 495 North: Haverhill, Salisbury
2822 ft · 1 min
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12
Merge slight left
16.8 mi · 20 min
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13
Merge slight left
1.9 mi · 2 min
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14
Take the exit slight right toward NH 107: Seabrook, Kingston
1210 ft · 34 sec
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15
Keep slight right
137 m · 13 sec
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16
Turn straight
1298 ft · 28 sec
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17
Turn left onto Lafayette Road
617 ft · 22 sec · Lafayette Road
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18
Turn right
99 m · 31 sec
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19
Turn sharp left
76 m · 18 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Londonderry and Seabrook.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 495 North
Merge slight left
16.8 mi · 00h 20m
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 Sunny leaving Londonderry and Mostly Sunny near Seabrook.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Londonderry to Seabrook?
The road trip is about 38.3 miles (61.6 km) and usually takes 00h 50m 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?
Salem is a useful midpoint, sitting about 19.1 miles from Londonderry and 19.1 miles from Seabrook.
How much longer is the road route than the straight-line distance?
The direct path is about 25.5 miles (41.1 km), while the road route adds roughly 12.8 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 4:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.33 one way or $10.65 round trip. Estimated CO2 is about 12 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Londonderry and Mostly Sunny near Seabrook.
Stop Ideas Near Salem
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 Salem.
Haverhill station
Newburyport, Massachusetts
Nashua, NH
Exeter station
Flight Path Map
This map shows the direct air route between Londonderry and Seabrook. Straight-line distance: 25.54 mi (41.1 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 Seabrook
Town in New Hampshire, United States
| Population | 8,844 |
| Coordinates | 42.8948100, -70.8711600 |
| Altitude | 15 |
| Country | United States |
End: Seabrook (-70.87116, 42.89481)
Estimated Travel Time
Distance: 62 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 16m |
| 40 mph (64.37 km/h) | 00h 57m |
| 50 mph (80.47 km/h) | 00h 45m |
| 60 mph (96.56 km/h) | 00h 38m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.33 | $10.65 |
| Mid-grade | $4.46 | $6.02 | $12.03 |
| Premium | $4.86 | $6.56 | $13.12 |
| Diesel | $6.00 | $8.10 | $16.19 |
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 · May 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.