How far is Merrimack, NH from Stratham, NH?

The driving distance from Merrimack, NH to Stratham, NH is about 41.7 miles (67.1 km), with a travel time of about 00h 58m by car.

  • The straight-line flight distance is about 31.3 miles (50.4 km).
  • For a round trip, plan for roughly 01h 57m 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
41.71 mi
00h 58m
Flight
31.31 mi
50.39 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
31.31 mi
Kilometers
50.39 km
Flight Time
00h 03m

Driving Distance

Road route
41.71 mi
Kilometers
67.12 km
Drive Time
00h 58m

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 58m.

Arrival Snapshot
Arrive in Stratham
Thu, Apr 23, 4:34 AM EDT
Return by in Merrimack
Thu, Apr 23, 5:32 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Merrimack
2026-04-23T03:35
Arrive Stratham
Thu, Apr 23, 4:34 AM EDT
Route Timing
00h 58m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:59 AM to 10:59 AM EDT

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

Leave by
4:32 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
Candia
NH

Town in Rockingham County, New Hampshire, United States of America

From Merrimack
20.8 mi
00h 29m
To Stratham
20.9 mi
00h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 10 mph NW
Destination
57°F
Thursday

Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    27 mi · 32 min

  11. 11

    Take the exit slight right toward NH 108: Stratham, Exeter

    1721 ft · 49 sec

  12. 12

    Keep slight left

    148 m · 14 sec

  13. 13

    Turn straight onto Portsmouth Avenue

    2.1 mi · 4 min · Portsmouth Avenue

  14. 14

    Enter the roundabout and take exit 1 toward Stratham Traffic Circle

    657 ft · 14 sec · Portsmouth Avenue

  15. 15

    Exit the rotary onto Portsmouth Avenue

    151 m · 10 sec · Portsmouth Avenue

  16. 16

    Arrive at your destination

    0 m · 1 sec · Portsmouth Avenue

Car Route Details

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

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
16 steps
5 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
38.4 / 100 mi
Decision points by distance
Main Roads
NH 101 East
27 mi · 65%
I 293 South
5.18 mi · 12%
Daniel Webster Highway
3.75 mi · 9%
Portsmouth Avenue
2.27 mi · 5%
Everett Turnpike
1.31 mi · 3%
Bedford
0.81 mi · 2%
Longest Stretch

NH 101 East

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

27 mi · 00h 32m

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
00h 58m
Day trip friendly
Same-Day Return
01h 58m
Round-trip wheel time
Road vs Air
+10.4 mi
31.3 mi direct line
Halfway Stop
Candia
00h 29m from Merrimack
Leave By
4:32 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Merrimack and Partly Sunny near Stratham.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 41.7 miles (67.1 km) and usually takes 00h 58m 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?

Candia is a useful midpoint, sitting about 20.8 miles from Merrimack and 20.9 miles from Stratham.

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

The direct path is about 31.3 miles (50.4 km), while the road route adds roughly 10.4 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 4:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.80 one way or $11.60 round trip. Estimated CO2 is about 13.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Merrimack and Partly Sunny near Stratham.

Stop Ideas Near Candia

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

Mid-route Guidance
Local place coverage is thin around Candia, 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 Candia.

BUS

Manchester, New Hampshire

18 mi away
119 Canal St.
BUS

Concord, New Hampshire

26 mi away
30 Stickney Ave.
RAIL

Durham–UNH station

28 mi away
3 Depot Road
RAIL

Exeter station

28 mi away
60 Lincoln Street

Flight Path Map

This map shows the direct air route between Merrimack and Stratham. Straight-line distance: 31.31 mi (50.39 km).

Merrimack

#1 Merrimack

River in New Hampshire and Massachusetts, United States

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

#2 Stratham

Town in Rockingham County, New Hampshire

Population7,579
Coordinates43.0239800, -70.9136700
Altitude13
CountryUnited States
Start: Merrimack (-71.4934, 42.86509)
End: Stratham (-70.91367, 43.02398)

Estimated Travel Time

Distance: 67 km by road

SpeedTime
30 mph (48.3 km/h)01h 23m
40 mph (64.37 km/h)01h 02m
50 mph (80.47 km/h)00h 50m
60 mph (96.56 km/h)00h 41m
70 mph (112.65 km/h)00h 35m
80 mph (129 km/h)00h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.47 gal
5.57 L · about $5.80
Round trip
$11.60
2.94 gal · 11.14 L
Estimated CO2
13.1 kg one way
Round trip: 26.1 kg / 58 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $5.80 $11.60
Mid-grade $4.46 $6.55 $13.10
Premium $4.86 $7.14 $14.28
Diesel $6.00 $8.82 $17.63

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

There is no time difference between Merrimack and Stratham. The current time is 03:35:34.

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.