How far is Merrimack, NH from Henniker, NH?
The driving distance from Merrimack, NH to Henniker, NH is about 41.2 miles (66.3 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 27.3 miles (44 km).
- For a round trip, plan for roughly 01h 57m 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 58m.
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 Merrimack County, New Hampshire, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Merrimack and Henniker.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack and Henniker.
-
1
Start on Loop Road
25 m · 6 sec · Loop Road
-
2
Turn straight onto Daniel Webster Highway
3.8 mi · 8 min · Daniel Webster Highway
-
3
Continue on South River Road
2135 ft · 46 sec · South River Road
-
4
Take the ramp right toward Concord, Nashua
2141 ft · 52 sec
-
5
Merge slight left onto Raymond Wieczorek Drive
653 ft · 11 sec · Raymond Wieczorek Drive
-
6
Keep slight right to continue on Bedford, Manchester
1.3 km · 2 min
-
7
Merge slight left onto Everett Turnpike
11.2 mi · 15 min · Everett Turnpike
-
8
Keep slight left to continue on Everett Turnpike
7 mi · 8 min · Everett Turnpike
-
9
Take the exit slight right toward I 89 North: Lebanon, White River Junction Vermont
2720 ft · 1 min
-
10
Keep slight right to continue on I 89 North: Lebanon, White River Junction Vermont
1236 ft · 43 sec
-
11
Merge slight left
8.1 mi · 10 min
-
12
Take the exit slight left toward US 202 West, NH 9 West: Henniker, Keene
1.5 km · 1 min
-
13
Continue straight
6.8 mi · 9 min
-
14
Take the exit slight right toward NH 114: Henniker, Bradford
1717 ft · 49 sec
-
15
Turn left onto State Route 114
755 ft · 14 sec · State Route 114
-
16
Continue on Maple Street
2685 ft · 45 sec · Maple Street
-
17
Arrive at your destination
0 m · 1 sec · Maple Street
Car Route Details
A richer read on the saved driving route between Merrimack and Henniker.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Everett Turnpike
Merge slight left onto Everett Turnpike
11.2 mi · 00h 15m
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.
Sunny leaving Merrimack and Mostly Sunny near Henniker.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimack to Henniker?
The road trip is about 41.2 miles (66.3 km) and usually takes 00h 58m 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?
Bow Bog is a useful midpoint, sitting about 20.6 miles from Merrimack and 20.6 miles from Henniker.
How much longer is the road route than the straight-line distance?
The direct path is about 27.3 miles (44 km), while the road route adds roughly 13.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.72 one way or $11.44 round trip. Estimated CO2 is about 12.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Merrimack and Mostly Sunny near Henniker.
Stop Ideas Near Bow Bog
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 Bow Bog.
Concord, New Hampshire
Manchester, New Hampshire
Tilton, New Hampshire
Nashua, NH
Flight Path Map
This map shows the direct air route between Merrimack and Henniker. Straight-line distance: 27.37 mi (44.04 km).
#1 Merrimack
River in New Hampshire and Massachusetts, United States
| Population | 27,452 |
| Coordinates | 42.8650900, -71.4934000 |
| Altitude | 47 |
| Country | United States |
#2 Henniker
Town in New Hampshire
| Population | 5,006 |
| Coordinates | 43.1798000, -71.8223000 |
| Altitude | 132 |
| Country | United States |
End: Henniker (-71.8223, 43.1798)
Estimated Travel Time
Distance: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 22m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 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 | $5.72 | $11.44 |
| Mid-grade | $4.46 | $6.46 | $12.93 |
| Premium | $4.86 | $7.04 | $14.09 |
| Diesel | $6.00 | $8.70 | $17.39 |
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 · May 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.