How far is Londonderry, NH from New Boston, NH?
The driving distance from Londonderry, NH to New Boston, NH is about 23.7 miles (38.1 km), with a travel time of about 00h 47m by car.
- The straight-line flight distance is about 17.9 miles (28.8 km).
- For a round trip, plan for roughly 01h 34m 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 47m.
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.
City in New Hampshire, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Londonderry and New Boston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Londonderry and New Boston.
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1
Start on Mammoth Road
3.6 mi · 7 min · Mammoth Road
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2
Turn left onto Rockingham Road
1.7 mi · 3 min · Rockingham Road
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3
Continue on South Willow Street
2.1 mi · 4 min · South Willow Street
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4
Take the ramp left toward NH 101 West, I 293 North: Concord, Bedford
2011 ft · 49 sec
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5
Merge slight left
1.2 mi · 2 min
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6
Keep slight left to continue on NH 101 West: Bedford, Nashua
2.2 mi · 3 min
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7
Continue straight
1.2 km · 1 min
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8
Turn left onto New Boston Road
5.7 mi · 13 min · New Boston Road
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9
Continue on Chestnut Hill Road
2262 ft · 56 sec · Chestnut Hill Road
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10
Turn right onto Bedford Road
1.2 mi · 3 min · Bedford Road
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11
Continue on Bedford Road
4 mi · 9 min · Bedford Road
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12
Turn right onto Meetinghouse Hill Road
2034 ft · 1 min · Meetinghouse Hill Road
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13
Turn left onto Mont Vernon Road
61 m · 6 sec · Mont Vernon Road
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14
Turn right onto Old Coach Road
67 m · 8 sec · Old Coach Road
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15
Arrive at your destination
0 m · 1 sec · Old Coach Road
Car Route Details
A richer read on the saved driving route between Londonderry and New Boston.
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.
New Boston Road
Turn left onto New Boston Road
5.68 mi · 00h 13m
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 Rain Showers leaving Londonderry and Showers And Thunderstorms Likely near New Boston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Londonderry to New Boston?
The road trip is about 23.7 miles (38.1 km) and usually takes 00h 47m 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?
Bedford is a useful midpoint, sitting about 11.8 miles from Londonderry and 11.9 miles from New Boston.
How much longer is the road route than the straight-line distance?
The direct path is about 17.9 miles (28.8 km), while the road route adds roughly 5.8 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 4:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.27 one way or $6.55 round trip. Estimated CO2 is about 7.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Londonderry and Showers And Thunderstorms Likely near New Boston.
Stop Ideas Near Bedford
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 Bedford.
Manchester, New Hampshire
Nashua, NH
Concord, New Hampshire
Haverhill station
Flight Path Map
This map shows the direct air route between Londonderry and New Boston. Straight-line distance: 17.92 mi (28.84 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 New Boston
City in Texas, United States
| Population | 5,941 |
| Coordinates | 42.9761900, -71.6939600 |
| Altitude | 135 |
| Country | United States |
End: New Boston (-71.69396, 42.97619)
Estimated Travel Time
Distance: 38 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 47m |
| 40 mph (64.37 km/h) | 00h 35m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $3.27 | $6.55 |
| Mid-grade | $4.46 | $3.70 | $7.40 |
| Premium | $4.86 | $4.03 | $8.06 |
| Diesel | $6.00 | $4.98 | $9.96 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.