How far is Merrimack, NH from Northwood, NH?

The driving distance from Merrimack, NH to Northwood, NH is about 35.3 miles (56.8 km), with a travel time of about 01h 01m by car.

  • The straight-line flight distance is about 28.6 miles (46 km).
  • For a round trip, plan for roughly 02h 03m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
35.28 mi
01h 01m
Flight
28.58 mi
45.99 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Merrimack.

Flight Distance

Direct air line
28.58 mi
Kilometers
45.99 km
Flight Time
00h 03m

Driving Distance

Road route
35.28 mi
Kilometers
56.77 km
Drive Time
01h 01m

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 01m.

Arrival Snapshot
Arrive in Northwood
Tue, Jun 2, 12:57 AM EDT
Return by in Merrimack
Tue, Jun 2, 1:59 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Merrimack
2026-06-01T23:56
Arrive Northwood
Tue, Jun 2, 12:57 AM EDT
Route Timing
01h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:02 AM to 11:02 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:26 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Merrimack
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Auburn
NH

Town in the U.

From Merrimack
17.6 mi
00h 30m
To Northwood
17.6 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
44°F
Tonight

Clear

Starts
Mon, Jun 1 6:00 PM EDT
Wind
0 to 5 mph S
Destination
62°F
This Afternoon

Sunny

Starts
Mon, Jun 1 4:00 PM EDT
Wind
5 mph E

Driving Route Map

The map below follows the saved road route between Merrimack and Northwood.

Turn-by-Turn Driving Directions

Step-by-step road directions between Merrimack and Northwood.

  1. 1

    Start on Loop Road

    25 m · 6 sec · Loop Road

  2. 2

    Turn straight onto Daniel Webster Highway

    3.8 mi · 8 min · Daniel Webster Highway

  3. 3

    Continue on South River Road

    2135 ft · 46 sec · South River Road

  4. 4

    Take the ramp right toward Concord, Nashua

    2141 ft · 52 sec

  5. 5

    Merge slight left onto Raymond Wieczorek Drive

    653 ft · 11 sec · Raymond Wieczorek Drive

  6. 6

    Keep slight right to continue on Bedford, Manchester

    1.3 km · 2 min

  7. 7

    Merge slight left onto Everett Turnpike

    1.3 mi · 2 min · Everett Turnpike

  8. 8

    Take the exit slight right toward I 293 South, NH 101 East: Exeter, Portsmouth

    2925 ft · 1 min

  9. 9

    Merge slight left

    4.6 mi · 6 min

  10. 10

    Keep slight right to continue on NH 101 East: Portsmouth, Seacoast

    6.3 mi · 8 min

  11. 11

    Take the exit slight right toward NH 43: Candia, Deerfield

    1.1 km · 1 min

  12. 12

    Keep slight right

    1033 ft · 25 sec

  13. 13

    Turn straight onto Old Candia Road

    1.5 mi · 2 min · Old Candia Road

  14. 14

    Turn straight onto Main Street

    1235 ft · 32 sec · Main Street

  15. 15

    Continue on Deerfield Road

    2 mi · 4 min · Deerfield Road

  16. 16

    Continue on Old Candia Road

    1.1 km · 1 min · Old Candia Road

  17. 17

    Turn right onto South Road

    1 mi · 2 min · South Road

  18. 18

    Continue on Stage Road

    1.3 mi · 3 min · Stage Road

  19. 19

    Turn straight onto Raymond Road

    1.9 mi · 4 min · Raymond Road

  20. 20

    Turn slight right onto North Road

    1.5 mi · 3 min · North Road

  21. 21

    Turn right onto Mountain View Road

    3.2 mi · 5 min · Mountain View Road

  22. 22

    Continue on Mountain Avenue

    2.7 mi · 4 min · Mountain Avenue

  23. 23

    Turn left onto First New Hampshire Turnpike

    141 m · 11 sec · First New Hampshire Turnpike

  24. 24

    Arrive at your destination

    0 m · 1 sec · First New Hampshire Turnpike

Car Route Details

A richer read on the saved driving route between Merrimack and Northwood.

OSRM road route
Drive Character

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.

Directions
24 steps
9 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
68 / 100 mi
Decision points by distance
Main Roads
NH 101 East
6.28 mi · 18%
I 293 South
5.18 mi · 15%
Daniel Webster Highway
3.75 mi · 11%
Mountain View Road
3.18 mi · 9%
Mountain Avenue
2.66 mi · 8%
Old Candia Road
2.15 mi · 6%
Longest Stretch

NH 101 East

Keep slight right to continue on NH 101 East: Portsmouth, Seacoast

6.28 mi · 00h 08m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 01m
Day trip friendly
Same-Day Return
02h 04m
Round-trip wheel time
Road vs Air
+6.7 mi
28.6 mi direct line
Halfway Stop
Auburn
00h 30m from Merrimack
Leave By
4:26 PM EDT
Morning start is best
Weather Watch

Clear leaving Merrimack and Sunny near Northwood.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Merrimack to Northwood?

The road trip is about 35.3 miles (56.8 km) and usually takes 01h 01m 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?

Auburn is a useful midpoint, sitting about 17.6 miles from Merrimack and 17.6 miles from Northwood.

How much longer is the road route than the straight-line distance?

The direct path is about 28.6 miles (46 km), while the road route adds roughly 6.7 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 4:26 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.89 one way or $9.78 round trip. Estimated CO2 is about 11 kg one way.

What should you check before leaving?

Before you leave, expect Clear around Merrimack and Sunny near Northwood.

Stop Ideas Near Auburn

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Auburn, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Auburn.

BUS

Manchester, New Hampshire

10 mi away
119 Canal St.
BUS

Nashua, NH

27 mi away
8 North Southwood Drive
BUS

Concord, New Hampshire

28 mi away
30 Stickney Ave.
RAIL

Exeter station

32 mi away
60 Lincoln Street

Flight Path Map

This map shows the direct air route between Merrimack and Northwood. Straight-line distance: 28.58 mi (45.99 km).

Merrimack

#1 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Northwood

#2 Northwood

Place in New Hampshire, United States

Population4,323
Coordinates43.1942500, -71.1509000
Altitude170
CountryUnited States
Start: Merrimack (-71.4934, 42.86509)
End: Northwood (-71.1509, 43.19425)

Estimated Travel Time

Distance: 57 km by road

SpeedTime
30 mph (48.3 km/h)01h 10m
40 mph (64.37 km/h)00h 52m
50 mph (80.47 km/h)00h 42m
60 mph (96.56 km/h)00h 35m
70 mph (112.65 km/h)00h 30m
80 mph (129 km/h)00h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.24 gal
4.71 L · about $4.89
Round trip
$9.78
2.48 gal · 9.42 L
Estimated CO2
11 kg one way
Round trip: 22 kg / 49 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $4.89 $9.78
Mid-grade $4.46 $5.53 $11.05
Premium $4.86 $6.02 $12.05
Diesel $6.00 $7.44 $14.87

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 · Jun 02, 2026

There is no time difference between Merrimack and Northwood. The current time is 23:56:04.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.