How far is Merrimack, NH from Nashua, NH?
The driving distance from Merrimack, NH to Nashua, NH is about 7.3 miles (11.8 km), with a travel time of about 00h 13m by car.
- The straight-line flight distance is about 7 miles (11.3 km).
- For a round trip, plan for roughly 00h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 13m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Connecticut, United States
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 Nashua.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack and Nashua.
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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
5.2 mi · 11 min · Daniel Webster Highway
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3
Continue on Concord Street
2 mi · 5 min · Concord Street
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4
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Merrimack and Nashua.
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.
Daniel Webster Highway
At the end of the road, turn left onto Daniel Webster Highway
5.17 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Merrimack and Partly Sunny near Nashua.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimack to Nashua?
The road trip is about 7.3 miles (11.8 km) and usually takes 00h 13m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Litchfield is a useful midpoint, sitting about 3.7 miles from Merrimack and 3.7 miles from Nashua.
How much longer is the road route than the straight-line distance?
The direct path is about 7 miles (11.3 km), while the road route adds roughly 0.3 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 8:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.03 one way or $2.05 round trip. Estimated CO2 is about 2.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Merrimack and Partly Sunny near Nashua.
Stop Ideas Near Litchfield
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 Litchfield.
Nashua, NH
Manchester, New Hampshire
Haverhill station
Concord, New Hampshire
Flight Path Map
This map shows the direct air route between Merrimack and Nashua. Straight-line distance: 7.02 mi (11.29 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 Nashua
The most populous city in Hillsborough County, New Hampshire.
| Population | 89,167 |
| Coordinates | 42.7653700, -71.4675700 |
| Altitude | 49 |
| Country | United States |
End: Main Street (-71.467542, 42.765332)
Estimated Travel Time
Distance: 12 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 14m |
| 40 mph (64.37 km/h) | 00h 11m |
| 50 mph (80.47 km/h) | 00h 08m |
| 60 mph (96.56 km/h) | 00h 07m |
| 70 mph (112.65 km/h) | 00h 06m |
| 80 mph (129 km/h) | 00h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $1.03 | $2.05 |
| Mid-grade | $4.46 | $1.16 | $2.32 |
| Premium | $4.86 | $1.26 | $2.53 |
| Diesel | $6.00 | $1.56 | $3.12 |
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.