How far is Merrimack, NH from Peterborough, NH?
The driving distance from Merrimack, NH to Peterborough, NH is about 30.4 miles (48.9 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 23.2 miles (37.4 km).
- For a round trip, plan for roughly 01h 49m 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 54m.
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
Partly Sunny
Driving Route Map
The map below follows the saved road route between Merrimack and Peterborough.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack and Peterborough.
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1
Start on Loop Road
938 ft · 46 sec · Loop Road
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2
At the end of the road, turn left onto Daniel Webster Highway
1.7 mi · 4 min · Daniel Webster Highway
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3
Turn right onto Greeley Street
1118 ft · 28 sec · Greeley Street
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4
Continue on Continental Boulevard
3.8 mi · 8 min · Continental Boulevard
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5
Turn right onto Milford Road
4.3 mi · 8 min · Milford Road
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6
Turn left
1544 ft · 43 sec
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7
Merge slight left
4.8 mi · 7 min
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8
Turn left onto Elm Street
1.4 mi · 3 min · Elm Street
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9
Continue on Gibbons Highway
9.3 mi · 15 min · Gibbons Highway
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10
Continue on Wilton Road
4 mi · 7 min · Wilton Road
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11
Continue on State Route 101
54 m · 5 sec · State Route 101
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12
Merge slight left onto Peterborough Bypass
49 m · 10 sec · Peterborough Bypass
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13
Turn left onto Ames Court
53 m · 9 sec · Ames Court
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14
Turn right
77 m · 21 sec
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15
Turn right onto Mercer Avenue
68 m · 13 sec · Mercer Avenue
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16
Turn right onto Peterborough Bypass
529 ft · 15 sec · Peterborough Bypass
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17
Arrive at your destination
0 m · 1 sec · Peterborough Bypass
Car Route Details
A richer read on the saved driving route between Merrimack and Peterborough.
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.
Gibbons Highway
Continue on Gibbons Highway
9.33 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.
Mostly Sunny leaving Merrimack and Partly Sunny near Peterborough.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimack to Peterborough?
The road trip is about 30.4 miles (48.9 km) and usually takes 00h 54m 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?
Wilton is a useful midpoint, sitting about 15.2 miles from Merrimack and 15.2 miles from Peterborough.
How much longer is the road route than the straight-line distance?
The direct path is about 23.2 miles (37.4 km), while the road route adds roughly 7.2 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 4:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.22 one way or $8.44 round trip. Estimated CO2 is about 9.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Merrimack and Partly Sunny near Peterborough.
Stop Ideas Near Wilton
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 Wilton.
Nashua, NH
Manchester, New Hampshire
Concord, New Hampshire
Haverhill station
Flight Path Map
This map shows the direct air route between Merrimack and Peterborough. Straight-line distance: 23.21 mi (37.36 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 Peterborough
Town in Hillsborough County, New Hampshire, United States of America
| Population | 6,743 |
| Coordinates | 42.8706400, -71.9517500 |
| Altitude | 219 |
| Country | United States |
End: Peterborough (-71.95175, 42.87064)
Estimated Travel Time
Distance: 49 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 00m |
| 40 mph (64.37 km/h) | 00h 45m |
| 50 mph (80.47 km/h) | 00h 36m |
| 60 mph (96.56 km/h) | 00h 30m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $4.22 | $8.44 |
| Mid-grade | $4.46 | $4.77 | $9.54 |
| Premium | $4.86 | $5.20 | $10.40 |
| Diesel | $6.00 | $6.42 | $12.83 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.