How far is Merrimack, NH from Dover, NH?

The driving distance from Merrimack, NH to Dover, NH is about 49.5 miles (79.7 km), with a travel time of about 01h 04m by car.

  • The straight-line flight distance is about 38.8 miles (62.5 km).
  • For a round trip, plan for roughly 02h 09m 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
49.52 mi
01h 04m
Flight
38.84 mi
62.5 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
38.84 mi
Kilometers
62.5 km
Flight Time
00h 04m

Driving Distance

Road route
49.52 mi
Kilometers
79.7 km
Drive Time
01h 04m

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 04m.

Arrival Snapshot
Arrive in Dover
Thu, Apr 23, 12:06 AM EDT
Return by in Merrimack
Thu, Apr 23, 1:10 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Merrimack
2026-04-22T23:01
Arrive Dover
Thu, Apr 23, 12:06 AM EDT
Route Timing
01h 04m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:05 AM to 11:05 AM EDT

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

Leave by
4:20 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
Raymond
NH

Town in New Hampshire

From Merrimack
24.8 mi
00h 32m
To Dover
24.7 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Wednesday

Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
0 to 5 mph S
Destination
48°F
Wednesday

Slight Chance Rain Showers then Mostly Cloudy

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    19.1 mi · 22 min

  11. 11

    Take the exit slight right toward NH 125: Epping, Kingston

    1211 ft · 37 sec

  12. 12

    Turn left onto Calef Highway

    9.7 mi · 15 min · Calef Highway

  13. 13

    Enter the roundabout and take exit 1 toward Lee Circle

    8 m · 1 sec · Concord Road

  14. 14

    Exit the rotary onto Concord Road

    1.3 mi · 2 min · Concord Road

  15. 15

    Take the exit slight right toward NH 155: Lee, Madbury

    1082 ft · 36 sec

  16. 16

    Turn left onto Turtle Pond Road

    1.2 mi · 2 min · Turtle Pond Road

  17. 17

    Continue on Lee Road

    1.3 mi · 2 min · Lee Road

  18. 18

    Continue on Manchester Road

    106 m · 8 sec · Manchester Road

  19. 19

    Continue on Knox Marsh Road

    3.2 mi · 5 min · Knox Marsh Road

  20. 20

    Enter the roundabout and take exit 1 toward Silver Street

    4 m · 1 sec · Silver Street

  21. 21

    Exit the roundabout onto Silver Street

    3199 ft · 1 min · Silver Street

  22. 22

    Turn left onto Locust Street

    1117 ft · 32 sec · Locust Street

  23. 23

    Turn straight onto Chestnut Street

    1956 ft · 60 sec · Chestnut Street

  24. 24

    Turn right onto Third Street

    715 ft · 28 sec · Third Street

  25. 25

    Turn sharp right onto Central Avenue

    65 m · 6 sec · Central Avenue

  26. 26

    Turn left

    35 m · 5 sec

  27. 27

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
27 steps
13 turns on the saved route
Ramps & Exits
11
3 merges, 8 ramps or exits
Navigation Density
54.5 / 100 mi
Decision points by distance
Main Roads
NH 101 East
19.1 mi · 39%
Calef Highway
9.71 mi · 20%
I 293 South
5.18 mi · 10%
Daniel Webster Highway
3.75 mi · 8%
Knox Marsh Road
3.18 mi · 6%
Concord Road
1.34 mi · 3%
Longest Stretch

NH 101 East

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

19.1 mi · 00h 22m

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 04m
Day trip friendly
Same-Day Return
02h 10m
Round-trip wheel time
Road vs Air
+10.7 mi
38.8 mi direct line
Halfway Stop
Raymond
00h 32m from Merrimack
Leave By
4:20 PM EDT
Morning start is best
Weather Watch

Slight Chance Rain Showers leaving Merrimack and Slight Chance Rain Showers then Mostly Cloudy near Dover.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 49.5 miles (79.7 km) and usually takes 01h 04m 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?

Raymond is a useful midpoint, sitting about 24.8 miles from Merrimack and 24.7 miles from Dover.

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

The direct path is about 38.8 miles (62.5 km), while the road route adds roughly 10.7 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 4:20 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.90 one way or $13.81 round trip. Estimated CO2 is about 15.6 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Merrimack and Slight Chance Rain Showers then Mostly Cloudy near Dover.

Stop Ideas Near Raymond

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

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

RAIL

Exeter station

19 mi away
60 Lincoln Street
RAIL

Durham–UNH station

23 mi away
3 Depot Road
BUS

Manchester, New Hampshire

24 mi away
119 Canal St.
RAIL

Haverhill station

30 mi away
Washington Street at Railroad Square

Flight Path Map

This map shows the direct air route between Merrimack and Dover. Straight-line distance: 38.84 mi (62.5 km).

Merrimack

#1 Merrimack

River in New Hampshire and Massachusetts, United States

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

#2 Dover

County seat city in Strafford County, New Hampshire, United States

Population32,443
Coordinates43.1978600, -70.8736700
Altitude19
CountryUnited States
Start: (-71.493333, 42.865106)
End: (-70.873668, 43.197876)

Estimated Travel Time

Distance: 80 km by road

SpeedTime
30 mph (48.3 km/h)01h 39m
40 mph (64.37 km/h)01h 14m
50 mph (80.47 km/h)00h 59m
60 mph (96.56 km/h)00h 49m
70 mph (112.65 km/h)00h 42m
80 mph (129 km/h)00h 37m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.75 gal
6.62 L · about $6.90
Round trip
$13.81
3.5 gal · 13.24 L
Estimated CO2
15.6 kg one way
Round trip: 31.1 kg / 69 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $6.90 $13.81
Mid-grade $4.46 $7.80 $15.60
Premium $4.86 $8.50 $17.00
Diesel $6.00 $10.49 $20.99

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 Dover. The current time is 23:01:57.

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.