Distance from Londonderry, New Hampshire to Merrimack, New Hampshire

Londonderry Merrimack
Total Distance
12.7 mi
(20.5 km)
Travel Time
24 minutes

The driving distance from Londonderry, New Hampshire to Merrimack, New Hampshire is 12.7 mi (20.5 km)

The straight-line (air) distance is approximately 4.2 mi (6.8 km)

Estimated travel time by road is 24 minutes

We found 3 routes between Londonderry and Merrimack.

Available Routes

Shortest Fastest
NH-128 N/Mammoth Rd and US-3 S
12.7 mi
20.4 km
24 minutes
US-3 S
12.7 mi
20.5 km
24 minutes
NH-102 W and US-3 N
16.6 mi
26.7 km
29 minutes

Route Directions

Take NH-128 N/Mammoth Rd, High Range Rd and US-3 S to Church St in Merrimack
12.6 mi
23 min
Continue on Church St to your destination
0.1 mi
0 min

Route Directions

Follow NH-102 W, Concord St and US-3 N to Merrimack
16.5 mi
29 min
Drive to your destination
0.1 mi
0 min

Route Directions

Take NH-128 N/Mammoth Rd and US-3 S to Church St in Merrimack
12.6 mi
23 min
Continue on Church St to your destination
0.1 mi
0 min

Journey Details

Traveling from Londonderry, New Hampshire to Merrimack, New Hampshire covers 12.7 miles (20 km) in a west direction. This secondary roads, moderate route typically takes 24 minutes under normal conditions.

Drivers have 3 route options between these locations (13-17 miles / 20-27 km). The primary route shown here saves 6 minutes compared to alternatives.

Journey Waypoints

Londonderry

Starting Point

West Windham, New Hampshire

10 mi to destination

2 mi
Litchfield, New Hampshire

7 mi to destination

2 mi
Merrimack

Destination