How far is Barrington, NH from Merrimack, NH?
The driving distance from Barrington, NH to Merrimack, NH is about 41.6 miles (67 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 33.4 miles (53.8 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.
Town in New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Barrington and Merrimack.
Turn-by-Turn Driving Directions
Step-by-step road directions between Barrington and Merrimack.
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1
Start on Franklin Pierce Highway
2.9 mi · 6 min · Franklin Pierce Highway
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2
Turn right onto Calef Highway
4.5 mi · 8 min · Calef Highway
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3
Enter the roundabout and take exit 2 toward Lee Circle
50 m · 5 sec · Calef Highway
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4
Exit the rotary onto Calef Highway
9.6 mi · 15 min · Calef Highway
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5
Take the exit slight right
1904 ft · 47 sec
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6
Merge slight left
20.3 mi · 24 min
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7
Keep slight right to continue on I 293 North, NH 101 West: Manchester Airport, Manchester, Bedford
3.3 mi · 4 min
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8
Keep slight left to continue on NH 101 West: Bedford, Nashua
2871 ft · 45 sec
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9
Take the exit slight right toward Everett Turnpike South: Merrimack, Nashua, Manchester Airport
1840 ft · 44 sec
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10
Merge slight left onto Everett Turnpike
1.9 mi · 3 min · Everett Turnpike
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11
Take the exit slight right toward Airport
1.3 km · 1 min
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12
Keep slight right to continue on Merrimack
1425 ft · 38 sec
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13
Turn right onto South River Road
704 ft · 13 sec · South River Road
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14
Continue on Daniel Webster Highway
3.8 mi · 9 min · Daniel Webster Highway
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15
Turn slight left onto Loop Road
25 m · 4 sec · Loop Road
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16
Arrive at your destination
0 m · 1 sec · Loop Road
Car Route Details
A richer read on the saved driving route between Barrington 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.
Calef Highway
Merge slight left
20.3 mi · 00h 24m
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.
Mostly Sunny leaving Barrington 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 Barrington to Merrimack?
The road trip is about 41.6 miles (67 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?
Raymond is a useful midpoint, sitting about 24.3 miles from Barrington and 17.3 miles from Merrimack.
How much longer is the road route than the straight-line distance?
The direct path is about 33.4 miles (53.8 km), while the road route adds roughly 8.2 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 $5.80 one way or $11.60 round trip. Estimated CO2 is about 13.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Barrington and Mostly Sunny near Merrimack.
Stop Ideas Near Raymond
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 Raymond.
Exeter station
Durham–UNH station
Manchester, New Hampshire
Haverhill station
Flight Path Map
This map shows the direct air route between Barrington and Merrimack. Straight-line distance: 33.45 mi (53.84 km).
#1 Barrington
Town in Strafford County, New Hampshire, United States
| Population | 9,231 |
| Coordinates | 43.2228600, -71.0470100 |
| Altitude | 116 |
| 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: 67 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 23m |
| 40 mph (64.37 km/h) | 01h 02m |
| 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 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.80 | $11.60 |
| Mid-grade | $4.46 | $6.55 | $13.10 |
| Premium | $4.86 | $7.14 | $14.28 |
| Diesel | $6.00 | $8.82 | $17.63 |
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 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.