How far is Tamworth, NH from Merrimack, NH?

The driving distance from Tamworth, NH to Merrimack, NH is about 88.7 miles (142.7 km), with a travel time of about 01h 42m by car.

  • The straight-line flight distance is about 69.7 miles (112.2 km).
  • For a round trip, plan for roughly 03h 25m 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
88.66 mi
01h 42m
Flight
69.69 mi
112.16 km direct

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

Learn Distance

Choose another destination from Tamworth.

Flight Distance

Direct air line
69.69 mi
Kilometers
112.16 km
Flight Time
00h 08m

Driving Distance

Road route
88.66 mi
Kilometers
142.69 km
Drive Time
01h 42m

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 42m.

Arrival Snapshot
Arrive in Merrimack
Thu, May 21, 4:26 AM EDT
Return by in Tamworth
Thu, May 21, 6:09 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Tamworth
2026-05-21T02:44
Arrive Merrimack
Thu, May 21, 4:26 AM EDT
Route Timing
01h 42m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:43 AM to 11:43 AM EDT

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

Leave by
3:04 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Tamworth
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
Tilton
NH

Town located in New Hampshire, United States

From Tamworth
44.3 mi
00h 51m
To Merrimack
44.4 mi
00h 51m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Thursday

Mostly Sunny

Starts
Thu, May 21 6:00 AM EDT
Wind
0 to 5 mph NW
Destination
66°F
Thursday

Partly Sunny

Starts
Thu, May 21 6:00 AM EDT
Wind
5 to 10 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Main Street

    6 m · 1 sec · Main Street

  2. 2

    Keep slight right to continue on Main Street

    52 m · 8 sec · Main Street

  3. 3

    Turn right onto Tamworth Road

    2 mi · 4 min · Tamworth Road

  4. 4

    Turn right onto Whittier Road

    2037 ft · 51 sec · Whittier Road

  5. 5

    Turn right onto Ossipee Mountain Highway

    1126 ft · 18 sec · Ossipee Mountain Highway

  6. 6

    Continue on Bear Camp Highway

    2.3 mi · 3 min · Bear Camp Highway

  7. 7

    Continue on Whittier Road

    1867 ft · 29 sec · Whittier Road

  8. 8

    Continue on State Route 25

    1.2 km · 1 min · State Route 25

  9. 9

    Continue on Whittier Highway

    12.2 mi · 22 min · Whittier Highway

  10. 10

    Continue on Whittier Street

    3.1 mi · 6 min · Whittier Street

  11. 11

    Continue on Winnipesaukee Street

    816 ft · 20 sec · Winnipesaukee Street

  12. 12

    Turn left onto Daniel Webster Highway

    1.4 km · 2 min · Daniel Webster Highway

  13. 13

    Turn slight right

    8.3 mi · 13 min

  14. 14

    Continue straight

    1392 ft · 35 sec

  15. 15

    Take the ramp right toward I 93 South: Tilton, Concord

    1520 ft · 37 sec

  16. 16

    Merge slight left onto Styles Bridges Highway

    14.9 mi · 16 min · Styles Bridges Highway

  17. 17

    Continue on Senator Styles Bridges Highway

    15.4 mi · 18 min · Senator Styles Bridges Highway

  18. 18

    Continue on Styles Bridges Highway

    1.2 km · 1 min · Styles Bridges Highway

  19. 19

    Continue on Everett Turnpike

    8.9 mi · 11 min · Everett Turnpike

  20. 20

    Keep slight left to continue on Everett Turnpike

    2 mi · 2 min · Everett Turnpike

  21. 21

    Keep slight left to continue on Everett Turnpike

    8.2 mi · 11 min · Everett Turnpike

  22. 22

    Keep slight left to continue on Everett Turnpike

    2.4 mi · 3 min · Everett Turnpike

  23. 23

    Take the exit slight right toward Airport

    1.3 km · 1 min

  24. 24

    Keep slight right to continue on Merrimack

    1425 ft · 38 sec

  25. 25

    Turn right onto South River Road

    704 ft · 13 sec · South River Road

  26. 26

    Continue on Daniel Webster Highway

    3.8 mi · 9 min · Daniel Webster Highway

  27. 27

    Turn slight left onto Loop Road

    25 m · 4 sec · Loop Road

  28. 28

    Arrive at your destination

    0 m · 1 sec · Loop Road

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
28 steps
11 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
31.6 / 100 mi
Decision points by distance
Main Roads
Everett Turnpike
21.5 mi · 24%
Styles Bridges Highway
15.7 mi · 18%
Senator Styles Bridges Highway
15.4 mi · 17%
Whittier Highway
12.2 mi · 14%
Daniel Webster Highway
4.87 mi · 5%
Whittier Street
3.06 mi · 3%
Longest Stretch

Senator Styles Bridges Highway

Continue on Senator Styles Bridges Highway

15.4 mi · 00h 18m

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 42m
Day trip friendly
Same-Day Return
03h 26m
Round-trip wheel time
Road vs Air
+19 mi
69.7 mi direct line
Halfway Stop
Tilton
00h 51m from Tamworth
Leave By
3:04 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Tamworth and Partly Sunny near Merrimack.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 88.7 miles (142.7 km) and usually takes 01h 42m 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?

Tilton is a useful midpoint, sitting about 44.3 miles from Tamworth and 44.4 miles from Merrimack.

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

The direct path is about 69.7 miles (112.2 km), while the road route adds roughly 19 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 3:04 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.35 one way or $24.70 round trip. Estimated CO2 is about 27.8 kg one way.

What should you check before leaving?

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

Stop Ideas Near Tilton

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

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

BUS

Tilton, New Hampshire

2 mi away
I-93 and US hwy 3
BUS

New Hampton, New Hampshire

20 mi away
325 Route 104
BUS

Concord, New Hampshire

26 mi away
30 Stickney Ave.
BUS

Plymouth, New Hampshire

36 mi away
83 Main St.

Flight Path Map

This map shows the direct air route between Tamworth and Merrimack. Straight-line distance: 69.69 mi (112.16 km).

Tamworth

#1 Tamworth

Town in New Hampshire

Population3,094
Coordinates43.8598000, -71.2631300
Altitude158
CountryUnited States
Merrimack

#2 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Start: Main Street (-71.263122, 43.859659)
End: (-71.493333, 42.865106)

Estimated Travel Time

Distance: 143 km by road

SpeedTime
30 mph (48.3 km/h)02h 57m
40 mph (64.37 km/h)02h 13m
50 mph (80.47 km/h)01h 46m
60 mph (96.56 km/h)01h 28m
70 mph (112.65 km/h)01h 16m
80 mph (129 km/h)01h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.13 gal
11.84 L · about $12.35
Round trip
$24.70
6.26 gal · 23.68 L
Estimated CO2
27.8 kg one way
Round trip: 55.6 kg / 123 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $12.35 $24.70
Mid-grade $4.46 $13.95 $27.90
Premium $4.86 $15.21 $30.41
Diesel $6.00 $18.77 $37.54

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 · May 21, 2026

There is no time difference between Tamworth and Merrimack. The current time is 02:44:03.

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.