How far is Windham, NH from Merrimack, NH?
The driving distance from Windham, NH to Merrimack, NH is about 26.2 miles (42.1 km), with a travel time of about 00h 33m by car.
- The straight-line flight distance is about 10.6 miles (17 km).
- For a round trip, plan for roughly 01h 07m 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 33m.
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 New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Windham and Merrimack.
Turn-by-Turn Driving Directions
Step-by-step road directions between Windham and Merrimack.
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1
Start on the route
77 m · 19 sec
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2
Keep slight left
742 ft · 1 min
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3
Turn left onto Lowell Road
754 ft · 26 sec · Lowell Road
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4
Turn left onto Haverhill Road
3.4 mi · 6 min · Haverhill Road
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5
Continue on Central Street
3.2 mi · 6 min · Central Street
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6
Turn right onto Burnham Road
1408 ft · 38 sec · Burnham Road
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7
Continue on Ferry Street
1.3 mi · 3 min · Ferry Street
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8
Continue on Bridge Street
3208 ft · 2 min · Bridge Street
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9
Continue on Canal Street
3176 ft · 2 min · Canal Street
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10
At the end of the road, turn right onto Main Street
155 m · 23 sec · Main Street
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11
Turn left onto Amherst Street
1.4 mi · 4 min · Amherst Street
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12
Take the ramp slight right
2642 ft · 1 min
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13
Merge slight left onto Everett Turnpike
3.4 mi · 4 min · Everett Turnpike
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14
Take the exit slight right toward Merrimack
2782 ft · 1 min
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15
Turn right onto Greeley Street
798 ft · 25 sec · Greeley Street
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16
Turn left onto Daniel Webster Highway
1.9 mi · 5 min · Daniel Webster Highway
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17
Turn sharp right onto Loop Road
25 m · 4 sec · Loop Road
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18
Arrive at your destination
0 m · 1 sec · Loop Road
Car Route Details
A richer read on the saved driving route between Windham and Merrimack.
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.
Everett Turnpike
Merge slight left onto Everett Turnpike
3.44 mi · 00h 04m
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.
Partly Sunny leaving Windham 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 Windham to Merrimack?
The road trip is about 26.2 miles (42.1 km) and usually takes 00h 33m 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?
Hudson is a useful midpoint, sitting about 8.8 miles from Windham and 17.3 miles from Merrimack.
How much longer is the road route than the straight-line distance?
The direct path is about 10.6 miles (17 km), while the road route adds roughly 15.6 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 7:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.63 one way or $7.26 round trip. Estimated CO2 is about 8.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Windham and Mostly Sunny near Merrimack.
Stop Ideas Near Hudson
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 Hudson.
Nashua, NH
Manchester, New Hampshire
Haverhill station
Anderson Regional Transportation Center
Flight Path Map
This map shows the direct air route between Windham and Merrimack. Straight-line distance: 10.57 mi (17.01 km).
#1 Windham
City in New Hampshire
| Population | 14,865 |
| Coordinates | 42.8006400, -71.3042300 |
| Altitude | 60 |
| 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: 42 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 52m |
| 40 mph (64.37 km/h) | 00h 39m |
| 50 mph (80.47 km/h) | 00h 31m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $3.63 | $7.26 |
| Mid-grade | $4.46 | $4.10 | $8.20 |
| Premium | $4.86 | $4.47 | $8.94 |
| Diesel | $6.00 | $5.52 | $11.03 |
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.