How far is Mont Vernon, NH from Londonderry, NH?
The driving distance from Mont Vernon, NH to Londonderry, NH is about 24.3 miles (39.1 km), with a travel time of about 00h 44m by car.
- The straight-line flight distance is about 15.3 miles (24.7 km).
- For a round trip, plan for roughly 01h 28m 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 44m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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.
Driving Route Map
The map below follows the saved road route between Mont Vernon and Londonderry.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mont Vernon and Londonderry.
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1
Start on North Main Street
15 m · 3 sec · North Main Street
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2
Turn right onto Smith Road
66 m · 6 sec · Smith Road
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3
Turn slight right onto Old Amherst Road
1.8 mi · 5 min · Old Amherst Road
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4
Continue on Old Mont Vernon Road
2739 ft · 1 min · Old Mont Vernon Road
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5
Turn right onto New Boston Road
1.2 km · 2 min · New Boston Road
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6
Turn left onto Jones Road
2263 ft · 1 min · Jones Road
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7
Continue on Dodge Road
1850 ft · 53 sec · Dodge Road
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8
Turn right onto Blueberry Hill Road
87 m · 13 sec · Blueberry Hill Road
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9
Turn left onto Bayberry Drive
1104 ft · 33 sec · Bayberry Drive
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10
Turn left onto Blueberry Hill Road
1162 ft · 38 sec · Blueberry Hill Road
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11
At the end of the road, turn left
2.4 mi · 4 min
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12
Continue straight
6.3 mi · 10 min
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13
Take the exit slight right
3.4 mi · 5 min
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14
Take the exit slight right toward NH 28
1725 ft · 42 sec
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15
Keep slight right
605 ft · 17 sec
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16
Turn right onto South Willow Street
2.1 mi · 3 min · South Willow Street
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17
Continue on Rockingham Road
1.7 mi · 3 min · Rockingham Road
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18
Turn right onto Mammoth Road
3.6 mi · 7 min · Mammoth Road
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19
Arrive at your destination
0 m · 1 sec · Mammoth Road
Car Route Details
A richer read on the saved driving route between Mont Vernon 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.
Blueberry Hill Road
Continue straight
6.32 mi · 00h 10m
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.
Sunny leaving Mont Vernon and Sunny near Londonderry.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mont Vernon to Londonderry?
The road trip is about 24.3 miles (39.1 km) and usually takes 00h 44m 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?
Bedford is a useful midpoint, sitting about 12.1 miles from Mont Vernon and 12.2 miles from Londonderry.
How much longer is the road route than the straight-line distance?
The direct path is about 15.3 miles (24.7 km), while the road route adds roughly 9 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 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.68 one way or $7.35 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mont Vernon and Sunny near Londonderry.
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 Mont Vernon and Londonderry. Straight-line distance: 15.34 mi (24.69 km).
#1 Mont Vernon
City in United States of America
| Population | 2,718 |
| Coordinates | 42.8945300, -71.6742400 |
| Altitude | 250 |
| 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: Londonderry (-71.37395, 42.86509)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.28 | $3.68 | $7.35 |
| Mid-grade | $4.88 | $4.19 | $8.39 |
| Premium | $5.33 | $4.59 | $9.17 |
| Diesel | $6.36 | $5.47 | $10.93 |
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 · Oct 17, 2026