How far is Stratham, NH from Londonderry, NH?
The driving distance from Stratham, NH to Londonderry, NH is about 40.5 miles (65.1 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 25.7 miles (41.4 km).
- For a round trip, plan for roughly 01h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 43m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Rockingham County, New Hampshire, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Stratham and Londonderry.
Turn-by-Turn Driving Directions
Step-by-step road directions between Stratham and Londonderry.
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1
Start on Portsmouth Avenue
29 m · 10 sec · Portsmouth Avenue
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2
Continue on Portsmouth Avenue
568 ft · 12 sec · Portsmouth Avenue
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3
Enter the roundabout and take exit 2 toward Stratham Traffic Circle
1068 ft · 28 sec · Portsmouth Avenue
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4
Exit the rotary onto Portsmouth Avenue
2 mi · 4 min · Portsmouth Avenue
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5
Take the ramp right
1977 ft · 48 sec
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6
Merge slight left
28.3 mi · 33 min
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7
Keep slight left to continue on Alan B Shepard Highway
4 mi · 5 min · Alan B Shepard Highway
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8
Take the exit slight right toward NH 28: North Londonderry
1366 ft · 33 sec
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9
Keep slight right
577 ft · 14 sec
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10
Turn right onto Rockingham Road
1 mi · 2 min · Rockingham Road
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11
Turn slight left onto Smith Lane
699 ft · 36 sec · Smith Lane
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12
Turn left onto Mammoth Road
3.5 mi · 7 min · Mammoth Road
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13
Arrive at your destination
0 m · 1 sec · Mammoth Road
Car Route Details
A richer read on the saved driving route between Stratham and Londonderry.
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.
Portsmouth Avenue
Merge slight left
28.4 mi · 00h 33m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Partly Sunny leaving Stratham and Partly Sunny near Londonderry.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Stratham to Londonderry?
The road trip is about 40.5 miles (65.1 km) and usually takes 00h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Candia is a useful midpoint, sitting about 20 miles from Stratham and 20.4 miles from Londonderry.
How much longer is the road route than the straight-line distance?
The direct path is about 25.7 miles (41.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.64 one way or $11.28 round trip. Estimated CO2 is about 12.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Stratham and Partly Sunny near Londonderry.
Stop Ideas Near Candia
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 Candia.
Manchester, New Hampshire
Concord, New Hampshire
Durham–UNH station
Exeter station
Flight Path Map
This map shows the direct air route between Stratham and Londonderry. Straight-line distance: 25.74 mi (41.42 km).
#1 Stratham
Town in Rockingham County, New Hampshire
| Population | 7,579 |
| Coordinates | 43.0239800, -70.9136700 |
| Altitude | 13 |
| 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: 65 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 20m |
| 40 mph (64.37 km/h) | 01h 00m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.64 | $11.28 |
| Mid-grade | $4.46 | $6.37 | $12.75 |
| Premium | $4.86 | $6.95 | $13.89 |
| Diesel | $6.00 | $8.58 | $17.15 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.