How far is Bethlehem, NH from Merrimack, NH?
The driving distance from Bethlehem, NH to Merrimack, NH is about 109.8 miles (176.7 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 98.2 miles (158.1 km).
- For a round trip, plan for roughly 03h 40m 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 01h 50m.
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.
Human settlement in Belknap County, New Hampshire, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Snow Showers then Chance Rain And Snow Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Bethlehem and Merrimack.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bethlehem and Merrimack.
-
1
Start on the route
6 m · 3 sec
-
2
Turn right onto Main Street
3.1 mi · 6 min · Main Street
-
3
Take the ramp slight right
896 ft · 22 sec
-
4
Merge slight left onto Styles Bridges Highway
8.8 mi · 9 min · Styles Bridges Highway
-
5
Continue on Franconia Notch Parkway
7.6 mi · 12 min · Franconia Notch Parkway
-
6
Continue on Styles Bridges Highway
50.5 mi · 54 min · Styles Bridges Highway
-
7
Continue on Senator Styles Bridges Highway
15.4 mi · 18 min · Senator Styles Bridges Highway
-
8
Continue on Styles Bridges Highway
1.2 km · 1 min · Styles Bridges Highway
-
9
Continue on Everett Turnpike
8.9 mi · 11 min · Everett Turnpike
-
10
Keep slight left to continue on Everett Turnpike
2 mi · 2 min · Everett Turnpike
-
11
Keep slight left to continue on Everett Turnpike
8.2 mi · 11 min · Everett Turnpike
-
12
Keep slight left to continue on Everett Turnpike
2.4 mi · 3 min · Everett Turnpike
-
13
Take the exit slight right toward Airport
1.3 km · 1 min
-
14
Keep slight right to continue on Merrimack
1425 ft · 38 sec
-
15
Turn right onto South River Road
704 ft · 13 sec · South River Road
-
16
Continue on Daniel Webster Highway
3.8 mi · 8 min · Daniel Webster Highway
-
17
Turn slight left onto Loop Road
25 m · 4 sec · Loop Road
-
18
Arrive at your destination
0 m · 1 sec · Loop Road
Car Route Details
A richer read on the saved driving route between Bethlehem and Merrimack.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Styles Bridges Highway
Continue on Styles Bridges Highway
50.5 mi · 00h 54m
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.
Slight Chance Snow Showers then Chance Rain And Snow Showers leaving Bethlehem and Mostly Sunny near Merrimack.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bethlehem to Merrimack?
The road trip is about 109.8 miles (176.7 km) and usually takes 01h 50m 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?
New Hampton is a useful midpoint, sitting about 56.4 miles from Bethlehem and 53.4 miles from Merrimack.
How much longer is the road route than the straight-line distance?
The direct path is about 98.2 miles (158.1 km), while the road route adds roughly 11.6 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 2:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.27 one way or $30.53 round trip. Estimated CO2 is about 34.4 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Snow Showers then Chance Rain And Snow Showers around Bethlehem and Mostly Sunny near Merrimack.
Stop Ideas Near New Hampton
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 New Hampton.
New Hampton, New Hampshire
Plymouth, New Hampshire
Tilton, New Hampshire
Concord, New Hampshire
Flight Path Map
This map shows the direct air route between Bethlehem and Merrimack. Straight-line distance: 98.27 mi (158.15 km).
#1 Bethlehem
Town in New Hampshire
| Population | 2,656 |
| Coordinates | 44.2803400, -71.6881400 |
| Altitude | 438 |
| Country | United States |
#2 Merrimack
River in New Hampshire and Massachusetts, United States
| Population | 27,452 |
| Coordinates | 42.8650900, -71.4934000 |
| Altitude | 47 |
| Country | United States |
End: (-71.493333, 42.865106)
Estimated Travel Time
Distance: 177 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 39m |
| 40 mph (64.37 km/h) | 02h 44m |
| 50 mph (80.47 km/h) | 02h 11m |
| 60 mph (96.56 km/h) | 01h 49m |
| 70 mph (112.65 km/h) | 01h 34m |
| 80 mph (129 km/h) | 01h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $15.27 | $30.53 |
| Mid-grade | $4.46 | $17.25 | $34.50 |
| Premium | $4.86 | $18.80 | $37.60 |
| Diesel | $6.00 | $23.21 | $46.42 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.