How far is Londonderry, NH from Mont Vernon, NH?

The driving distance from Londonderry, NH to Mont Vernon, NH is about 24.4 miles (39.2 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 29m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
24.38 mi
00h 44m
Flight
15.34 mi
24.69 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Londonderry.

Flight Distance

Direct air line
15.34 mi
Kilometers
24.69 km
Flight Time
00h 01m

Driving Distance

Road route
24.38 mi
Kilometers
39.23 km
Drive Time
00h 44m

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.

Arrival Snapshot
Arrive in Mont Vernon
Sun, Oct 18, 11:30 AM EDT
Return by in Londonderry
Sun, Oct 18, 12:14 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Londonderry
2026-10-18T10:45
Arrive Mont Vernon
Sun, Oct 18, 11:30 AM EDT
Route Timing
00h 44m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:45 AM to 7:45 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:00 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Londonderry
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Bedford
NH

City in New Hampshire, USA

From Londonderry
12.2 mi
00h 22m
To Mont Vernon
12.2 mi
00h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Sunday

Sunny

Starts
Sun, Oct 18 6:00 AM EDT
Wind
0 mph
Destination
55°F
Sunday

Sunny

Starts
Sun, Oct 18 6:00 AM EDT
Wind
0 mph

Driving Route Map

The map below follows the saved road route between Londonderry and Mont Vernon.

Turn-by-Turn Driving Directions

Step-by-step road directions between Londonderry and Mont Vernon.

  1. 1

    Start on Mammoth Road

    3.6 mi · 7 min · Mammoth Road

  2. 2

    Turn left onto Rockingham Road

    1.7 mi · 3 min · Rockingham Road

  3. 3

    Continue on South Willow Street

    2.1 mi · 4 min · South Willow Street

  4. 4

    Take the ramp left toward NH 101 West, I 293 North: Concord, Bedford

    2011 ft · 49 sec

  5. 5

    Merge slight left

    1.2 mi · 2 min

  6. 6

    Keep slight left to continue on NH 101 West: Bedford, Nashua

    2.2 mi · 3 min

  7. 7

    Turn left

    2229 ft · 49 sec

  8. 8

    Continue straight

    8.3 mi · 13 min

  9. 9

    Turn right onto Blueberry Hill Road

    1162 ft · 33 sec · Blueberry Hill Road

  10. 10

    Turn right onto Bayberry Drive

    1104 ft · 33 sec · Bayberry Drive

  11. 11

    Turn right onto Blueberry Hill Road

    87 m · 10 sec · Blueberry Hill Road

  12. 12

    Turn left onto Dodge Road

    1850 ft · 55 sec · Dodge Road

  13. 13

    Continue on Jones Road

    2263 ft · 1 min · Jones Road

  14. 14

    At the end of the road, turn right onto New Boston Road

    1.2 km · 2 min · New Boston Road

  15. 15

    Turn left onto Old Mont Vernon Road

    2739 ft · 1 min · Old Mont Vernon Road

  16. 16

    Continue on Old Amherst Road

    1.9 mi · 5 min · Old Amherst Road

  17. 17

    Turn left onto North Main Street

    15 m · 2 sec · North Main Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · North Main Street

Car Route Details

A richer read on the saved driving route between Londonderry and Mont Vernon.

OSRM road route
Drive Character

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.

Directions
18 steps
9 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
73.8 / 100 mi
Decision points by distance
Main Roads
NH 101 West
12.1 mi · 50%
Mammoth Road
3.62 mi · 15%
South Willow Street
2.14 mi · 9%
Old Amherst Road
1.85 mi · 8%
Rockingham Road
1.69 mi · 7%
New Boston Road
0.74 mi · 3%
Longest Stretch

NH 101 West

Continue straight

8.34 mi · 00h 13m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 44m
Quick drive
Same-Day Return
01h 30m
Round-trip wheel time
Road vs Air
+9.1 mi
15.3 mi direct line
Halfway Stop
Bedford
00h 22m from Londonderry
Leave By
7:00 PM EDT
Flexible departure
Weather Watch

Sunny leaving Londonderry and Sunny near Mont Vernon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Londonderry to Mont Vernon?

The road trip is about 24.4 miles (39.2 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 12.2 miles from Londonderry and 12.2 miles from Mont Vernon.

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 9.1 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:00 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 Londonderry and Sunny near Mont Vernon.

Stop Ideas Near Bedford

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Bedford, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Bedford.

BUS

Manchester, New Hampshire

6 mi away
119 Canal St.
BUS

Nashua, NH

17 mi away
8 North Southwood Drive
BUS

Concord, New Hampshire

30 mi away
30 Stickney Ave.
RAIL

Haverhill station

40 mi away
Washington Street at Railroad Square

Flight Path Map

This map shows the direct air route between Londonderry and Mont Vernon. Straight-line distance: 15.34 mi (24.69 km).

Londonderry

#1 Londonderry

Town in Rockingham County, New Hampshire, United States of America

Population26,646
Coordinates42.8650900, -71.3739500
Altitude128
CountryUnited States
Mont Vernon

#2 Mont Vernon

City in United States of America

Population2,718
Coordinates42.8945300, -71.6742400
Altitude250
CountryUnited States
Start: Londonderry (-71.37395, 42.86509)
End: Mont Vernon (-71.67424, 42.89453)

Estimated Travel Time

Distance: 39 km by road

SpeedTime
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.

One-way fuel
0.86 gal
3.26 L · about $3.68
Round trip
$7.35
1.72 gal · 6.52 L
Estimated CO2
7.6 kg one way
Round trip: 15.3 kg / 34 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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

There is no time difference between Londonderry and Mont Vernon. The current time is 10:45:31.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.