How far is Washington, NH from Merrimack, NH?
The driving distance from Washington, NH to Merrimack, NH is about 57.4 miles (92.4 km), with a travel time of about 01h 06m by car.
- The straight-line flight distance is about 37.3 miles (60 km).
- For a round trip, plan for roughly 02h 12m 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 06m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Merrimack County, New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers
Driving Route Map
The map below follows the saved road route between Washington and Merrimack.
Turn-by-Turn Driving Directions
Step-by-step road directions between Washington and Merrimack.
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1
Start on South Main Street
4.3 mi · 8 min · South Main Street
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2
Continue on State Road
1.5 km · 2 min · State Road
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3
Continue on 2nd New Hampshire Turnpike
3.9 mi · 7 min · 2nd New Hampshire Turnpike
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4
Turn left onto West Main Street
1256 ft · 24 sec · West Main Street
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5
Turn straight onto Franklin Pierce Highway
16.3 mi · 22 min · Franklin Pierce Highway
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6
Merge slight left
7.9 mi · 10 min
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7
Take the exit slight right toward I 93 South Toll: Manchester, Boston
1 km · 1 min
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8
Merge slight right onto Everett Turnpike
5.7 mi · 7 min · Everett Turnpike
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9
Keep slight left to continue on Everett Turnpike
2 mi · 2 min · Everett Turnpike
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10
Keep slight left to continue on Everett Turnpike
8.2 mi · 11 min · Everett Turnpike
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11
Keep slight left to continue on Everett Turnpike
2.4 mi · 3 min · Everett Turnpike
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12
Take the exit slight right toward Airport
1.3 km · 1 min
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13
Keep slight right to continue on Merrimack
1425 ft · 38 sec
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14
Turn right onto South River Road
704 ft · 13 sec · South River Road
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15
Continue on Daniel Webster Highway
3.8 mi · 8 min · Daniel Webster Highway
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16
Turn slight left onto Loop Road
25 m · 4 sec · Loop Road
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17
Arrive at your destination
0 m · 1 sec · Loop Road
Car Route Details
A richer read on the saved driving route between Washington 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.
Franklin Pierce Highway
Turn straight onto Franklin Pierce Highway
16.3 mi · 00h 22m
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.
Rain Showers Likely leaving Washington and Rain Showers near Merrimack.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Washington to Merrimack?
The road trip is about 57.4 miles (92.4 km) and usually takes 01h 06m 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?
Hopkinton is a useful midpoint, sitting about 28.7 miles from Washington and 28.8 miles from Merrimack.
How much longer is the road route than the straight-line distance?
The direct path is about 37.3 miles (60 km), while the road route adds roughly 20.1 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 4:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.01 one way or $16.02 round trip. Estimated CO2 is about 18 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Washington and Rain Showers near Merrimack.
Stop Ideas Near Hopkinton
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 Hopkinton.
Concord, New Hampshire
Manchester, New Hampshire
Tilton, New Hampshire
Nashua, NH
Flight Path Map
This map shows the direct air route between Washington and Merrimack. Straight-line distance: 37.28 mi (60 km).
#1 Washington
Town in New Hampshire
| Population | 1,104 |
| Coordinates | 43.1759100, -72.0967500 |
| Altitude | 448 |
| 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: 92 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 54m |
| 40 mph (64.37 km/h) | 01h 26m |
| 50 mph (80.47 km/h) | 01h 08m |
| 60 mph (96.56 km/h) | 00h 57m |
| 70 mph (112.65 km/h) | 00h 49m |
| 80 mph (129 km/h) | 00h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $8.01 | $16.02 |
| Mid-grade | $4.46 | $9.05 | $18.10 |
| Premium | $4.86 | $9.86 | $19.72 |
| Diesel | $6.00 | $12.17 | $24.35 |
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 06, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.