How far is Exeter, NH from Merrimack, NH?

The driving distance from Exeter, NH to Merrimack, NH is about 39.3 miles (63.3 km), with a travel time of about 00h 44m by car.

  • The straight-line flight distance is about 28.8 miles (46.3 km).
  • For a round trip, plan for roughly 01h 29m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
39.31 mi
00h 44m
Flight
28.75 mi
46.27 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Exeter.

Flight Distance

Direct air line
28.75 mi
Kilometers
46.27 km
Flight Time
00h 03m

Driving Distance

Road route
39.31 mi
Kilometers
63.26 km
Drive Time
00h 44m

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 44m.

Arrival Snapshot
Arrive in Merrimack
Thu, Apr 23, 2:42 AM EDT
Return by in Exeter
Thu, Apr 23, 3:27 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Exeter
2026-04-23T01:58
Arrive Merrimack
Thu, Apr 23, 2:42 AM EDT
Route Timing
00h 44m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:45 AM to 7:45 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:00 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Exeter
10:00 PM EDT
Flexible departure

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 Exeter
20.1 mi
00h 22m
To Merrimack
19.2 mi
00h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
57°F
Thursday

Slight Chance Rain Showers then Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 10 mph W
Destination
59°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 10 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Water Street

    839 ft · 29 sec · Water Street

  2. 2

    Continue on Water Street

    2855 ft · 2 min · Water Street

  3. 3

    Continue on Newfields Road

    1.6 km · 2 min · Newfields Road

  4. 4

    Take the ramp left toward NH 101 West: Epping, Manchester

    1327 ft · 32 sec

  5. 5

    Merge slight left

    27.2 mi · 32 min

  6. 6

    Keep slight right to continue on I 293 North, NH 101 West: Manchester Airport, Manchester, Bedford

    3.3 mi · 4 min

  7. 7

    Keep slight left to continue on NH 101 West: Bedford, Nashua

    2871 ft · 45 sec

  8. 8

    Take the exit slight right toward Everett Turnpike South: Merrimack, Nashua, Manchester Airport

    1840 ft · 44 sec

  9. 9

    Merge slight left onto Everett Turnpike

    1.9 mi · 3 min · Everett Turnpike

  10. 10

    Take the exit slight right toward Airport

    1.3 km · 1 min

  11. 11

    Keep slight right to continue on Merrimack

    1425 ft · 38 sec

  12. 12

    Turn right onto South River Road

    704 ft · 13 sec · South River Road

  13. 13

    Continue on Daniel Webster Highway

    3.8 mi · 8 min · Daniel Webster Highway

  14. 14

    Turn slight left onto Loop Road

    25 m · 4 sec · Loop Road

  15. 15

    Arrive at your destination

    0 m · 1 sec · Loop Road

Car Route Details

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

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
15 steps
4 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
38.2 / 100 mi
Decision points by distance
Main Roads
NH 101 West
28 mi · 71%
Daniel Webster Highway
3.75 mi · 10%
I 293 North
3.29 mi · 8%
Everett Turnpike
1.89 mi · 5%
Airport
1.09 mi · 3%
Newfields Road
0.99 mi · 3%
Longest Stretch

NH 101 West

Merge slight left

27.2 mi · 00h 32m

Route Summary

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

Trip Read

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.

Drive Time
00h 44m
Quick drive
Same-Day Return
01h 30m
Round-trip wheel time
Road vs Air
+10.5 mi
28.8 mi direct line
Halfway Stop
Candia
00h 22m from Exeter
Leave By
7:00 PM EDT
Flexible departure
Weather Watch

Slight Chance Rain Showers then Partly Sunny leaving Exeter 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 Exeter to Merrimack?

The road trip is about 39.3 miles (63.3 km) and usually takes 00h 44m 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?

Candia is a useful midpoint, sitting about 20.1 miles from Exeter and 19.2 miles from Merrimack.

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

The direct path is about 28.8 miles (46.3 km), while the road route adds roughly 10.5 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 7:00 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.48 one way or $10.97 round trip. Estimated CO2 is about 12.4 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers then Partly Sunny around Exeter and Mostly Sunny near Merrimack.

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 Exeter and Merrimack. Straight-line distance: 28.75 mi (46.27 km).

Exeter

#1 Exeter

Town in Rockingham County, New Hampshire, United States

Population15,296
Coordinates42.9814800, -70.9478300
Altitude10
CountryUnited States
Merrimack

#2 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Start: (-70.947774, 42.981522)
End: (-71.493333, 42.865106)

Estimated Travel Time

Distance: 63 km by road

SpeedTime
30 mph (48.3 km/h)01h 18m
40 mph (64.37 km/h)00h 58m
50 mph (80.47 km/h)00h 47m
60 mph (96.56 km/h)00h 39m
70 mph (112.65 km/h)00h 33m
80 mph (129 km/h)00h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.39 gal
5.25 L · about $5.48
Round trip
$10.97
2.78 gal · 10.5 L
Estimated CO2
12.4 kg one way
Round trip: 24.7 kg / 54 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $5.48 $10.97
Mid-grade $4.46 $6.20 $12.39
Premium $4.86 $6.75 $13.51
Diesel $6.00 $8.34 $16.67

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 Exeter and Merrimack. The current time is 01:58:18.

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.