How far is Hudson, NH from Merrimack, NH?
The driving distance from Hudson, NH to Merrimack, NH is about 9.1 miles (14.7 km), with a travel time of about 00h 20m by car.
- The straight-line flight distance is about 7.5 miles (12 km).
- For a round trip, plan for roughly 00h 40m 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 20m.
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.
The most populous city in Hillsborough County, New Hampshire.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Hudson and Merrimack.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hudson and Merrimack.
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1
Start on Ferry Street
97 m · 15 sec · Ferry Street
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2
Turn right onto Library Street
113 m · 11 sec · Library Street
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3
Turn right onto School Street
126 m · 22 sec · School Street
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4
Turn right onto Chase Street
109 m · 12 sec · Chase Street
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5
Turn straight onto Ferry Street
1048 ft · 37 sec · Ferry Street
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6
Continue on Bridge Street
3208 ft · 2 min · Bridge Street
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7
Continue on Canal Street
3176 ft · 2 min · Canal Street
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8
At the end of the road, turn right onto Main Street
155 m · 23 sec · Main Street
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9
Turn left onto Amherst Street
1.4 mi · 4 min · Amherst Street
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10
Take the ramp slight right
2642 ft · 1 min
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11
Merge slight left onto Everett Turnpike
3.4 mi · 4 min · Everett Turnpike
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12
Take the exit slight right toward Merrimack
2782 ft · 1 min
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13
Turn right onto Greeley Street
798 ft · 25 sec · Greeley Street
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14
Turn left onto Daniel Webster Highway
1.9 mi · 5 min · Daniel Webster Highway
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15
Turn sharp right onto Loop Road
25 m · 4 sec · Loop Road
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16
Arrive at your destination
0 m · 1 sec · Loop Road
Car Route Details
A richer read on the saved driving route between Hudson 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.
Sunny leaving Hudson and Sunny near Merrimack.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hudson to Merrimack?
The road trip is about 9.1 miles (14.7 km) and usually takes 00h 20m 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?
Nashua is a useful midpoint, sitting about 4.8 miles from Hudson and 4.3 miles from Merrimack.
How much longer is the road route than the straight-line distance?
The direct path is about 7.5 miles (12 km), while the road route adds roughly 1.6 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 7:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.26 one way or $2.52 round trip. Estimated CO2 is about 2.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Hudson and Sunny near Merrimack.
Stop Ideas Near Nashua
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 Nashua.
Nashua, NH
Manchester, New Hampshire
Haverhill station
Anderson Regional Transportation Center
Flight Path Map
This map shows the direct air route between Hudson and Merrimack. Straight-line distance: 7.44 mi (11.98 km).
#1 Hudson
Town in New Hampshire
| Population | 25,620 |
| Coordinates | 42.7648100, -71.4397900 |
| Altitude | 46 |
| 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: 15 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 18m |
| 40 mph (64.37 km/h) | 00h 13m |
| 50 mph (80.47 km/h) | 00h 10m |
| 60 mph (96.56 km/h) | 00h 09m |
| 70 mph (112.65 km/h) | 00h 07m |
| 80 mph (129 km/h) | 00h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $1.26 | $2.52 |
| Mid-grade | $4.46 | $1.43 | $2.85 |
| Premium | $4.86 | $1.55 | $3.11 |
| Diesel | $6.00 | $1.92 | $3.84 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.