How far is Grafton, NH from Merrimack, NH?
The driving distance from Grafton, NH to Merrimack, NH is about 64.4 miles (103.6 km), with a travel time of about 01h 20m by car.
- The straight-line flight distance is about 53 miles (85.3 km).
- For a round trip, plan for roughly 02h 41m 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 20m.
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.
A census-designated place in Merrimack County, 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 Grafton and Merrimack.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grafton and Merrimack.
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1
Start on the route
14 m · 9 sec
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2
Turn sharp right onto Main Street
2.3 mi · 3 min · Main Street
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3
Continue on U.S. Route 4
10.3 mi · 17 min · U.S. Route 4
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4
At the end of the road, turn left onto Main Street
2.7 mi · 6 min · Main Street
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5
Continue on Salisbury Highway
2 mi · 3 min · Salisbury Highway
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6
Continue on Old Turnpike Road
5.4 mi · 9 min · Old Turnpike Road
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7
Continue on High Street
5 mi · 8 min · High Street
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8
Continue on King Street
1.3 mi · 3 min · King Street
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9
Keep slight left to continue on King Street
1.2 mi · 2 min · King Street
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10
Enter the roundabout and take exit 2 toward King Street
39 m · 2 sec · King Street
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11
Exit the roundabout onto King Street
1.1 km · 1 min · King Street
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12
Enter the roundabout and take exit 2 toward Old Boyce Road
42 m · 2 sec · Old Boyce Road
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13
Exit the roundabout onto Old Boyce Road
1237 ft · 23 sec · Old Boyce Road
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14
Take the ramp slight right toward I 93 South
5.8 mi · 8 min
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15
Continue on Styles Bridges Highway
1.2 km · 1 min · Styles Bridges Highway
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16
Continue on Everett Turnpike
8.9 mi · 11 min · Everett Turnpike
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17
Keep slight left to continue on Everett Turnpike
2 mi · 2 min · Everett Turnpike
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18
Keep slight left to continue on Everett Turnpike
8.2 mi · 11 min · Everett Turnpike
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19
Keep slight left to continue on Everett Turnpike
2.4 mi · 3 min · Everett Turnpike
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20
Take the exit slight right toward Airport
1.3 km · 1 min
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21
Keep slight right to continue on Merrimack
1425 ft · 38 sec
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22
Turn right onto South River Road
704 ft · 13 sec · South River Road
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23
Continue on Daniel Webster Highway
3.8 mi · 8 min · Daniel Webster Highway
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24
Turn slight left onto Loop Road
25 m · 4 sec · Loop Road
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25
Arrive at your destination
0 m · 1 sec · Loop Road
Car Route Details
A richer read on the saved driving route between Grafton 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.
U.S. Route 4
Continue on U.S. Route 4
10.3 mi · 00h 17m
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 Grafton 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 Grafton to Merrimack?
The road trip is about 64.4 miles (103.6 km) and usually takes 01h 20m 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?
East Concord is a useful midpoint, sitting about 32.1 miles from Grafton and 32.2 miles from Merrimack.
How much longer is the road route than the straight-line distance?
The direct path is about 53 miles (85.3 km), while the road route adds roughly 11.4 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 3:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.96 one way or $17.91 round trip. Estimated CO2 is about 20.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Grafton and Mostly Sunny near Merrimack.
Stop Ideas Near East Concord
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 East Concord.
Concord, New Hampshire
Tilton, New Hampshire
Manchester, New Hampshire
New Hampton, New Hampshire
Flight Path Map
This map shows the direct air route between Grafton and Merrimack. Straight-line distance: 53.02 mi (85.33 km).
#1 Grafton
Town in New Hampshire, United States
| Population | 1,337 |
| Coordinates | 43.5586800, -71.9439700 |
| Altitude | 255 |
| 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: 104 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 08m |
| 40 mph (64.37 km/h) | 01h 36m |
| 50 mph (80.47 km/h) | 01h 17m |
| 60 mph (96.56 km/h) | 01h 04m |
| 70 mph (112.65 km/h) | 00h 55m |
| 80 mph (129 km/h) | 00h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $8.96 | $17.91 |
| Mid-grade | $4.46 | $10.12 | $20.23 |
| Premium | $4.86 | $11.03 | $22.06 |
| Diesel | $6.00 | $13.61 | $27.23 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.