How far is Merrimack, NH from Wilton, NH?

The driving distance from Merrimack, NH to Wilton, NH is about 17.1 miles (27.6 km), with a travel time of about 00h 33m by car.

  • The straight-line flight distance is about 12.3 miles (19.8 km).
  • For a round trip, plan for roughly 01h 06m 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
17.14 mi
00h 33m
Flight
12.33 mi
19.85 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Merrimack.

Flight Distance

Direct air line
12.33 mi
Kilometers
19.85 km
Flight Time
00h 01m

Driving Distance

Road route
17.14 mi
Kilometers
27.59 km
Drive Time
00h 33m

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 33m.

Arrival Snapshot
Arrive in Wilton
Thu, Apr 30, 1:51 PM EDT
Return by in Merrimack
Thu, Apr 30, 2:25 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Merrimack
2026-04-30T13:18
Arrive Wilton
Thu, Apr 30, 1:51 PM EDT
Route Timing
00h 33m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:33 AM to 7:33 PM EDT

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

Leave by
7:24 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Merrimack
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Milford
NH

Town in Hillsborough County, New Hampshire, United States

From Merrimack
8.6 mi
00h 16m
To Wilton
8.6 mi
00h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Thursday

Light Rain

Starts
Thu, Apr 30 6:00 AM EDT
Wind
0 to 5 mph E
Destination
54°F
Thursday

Rain Showers

Starts
Thu, Apr 30 6:00 AM EDT
Wind
0 to 5 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Loop Road

    938 ft · 46 sec · Loop Road

  2. 2

    At the end of the road, turn left onto Daniel Webster Highway

    1.7 mi · 4 min · Daniel Webster Highway

  3. 3

    Turn right onto Greeley Street

    1118 ft · 28 sec · Greeley Street

  4. 4

    Continue on Continental Boulevard

    3.8 mi · 8 min · Continental Boulevard

  5. 5

    Turn right onto Milford Road

    4.3 mi · 8 min · Milford Road

  6. 6

    Turn left

    1544 ft · 43 sec

  7. 7

    Merge slight left

    4.8 mi · 7 min

  8. 8

    Turn left onto Elm Street

    1.3 km · 2 min · Elm Street

  9. 9

    Turn right onto Wilton Road

    2155 ft · 45 sec · Wilton Road

  10. 10

    Turn right onto Madison Street

    158 m · 28 sec · Madison Street

  11. 11

    At the end of the road, turn left onto Maple Street

    2506 ft · 1 min · Maple Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · Maple Street

Car Route Details

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

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
12 steps
8 turns on the saved route
Ramps & Exits
1
1 merges, 0 ramps or exits
Navigation Density
70.2 / 100 mi
Decision points by distance
Main Roads
Milford Road
9.17 mi · 54%
Continental Boulevard
3.84 mi · 22%
Daniel Webster Highway
1.67 mi · 10%
Elm Street
0.8 mi · 5%
Maple Street
0.47 mi · 3%
Wilton Road
0.41 mi · 2%
Longest Stretch

Milford Road

Merge slight left

4.84 mi · 00h 07m

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 33m
Quick drive
Same-Day Return
01h 06m
Round-trip wheel time
Road vs Air
+4.8 mi
12.3 mi direct line
Halfway Stop
Milford
00h 16m from Merrimack
Leave By
7:24 PM EDT
Flexible departure
Weather Watch

Light Rain leaving Merrimack and Rain Showers near Wilton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 17.1 miles (27.6 km) and usually takes 00h 33m 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?

Milford is a useful midpoint, sitting about 8.6 miles from Merrimack and 8.6 miles from Wilton.

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

The direct path is about 12.3 miles (19.8 km), while the road route adds roughly 4.8 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 7:24 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.37 one way or $4.73 round trip. Estimated CO2 is about 5.3 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain around Merrimack and Rain Showers near Wilton.

Stop Ideas Near Milford

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

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

BUS

Nashua, NH

13 mi away
8 North Southwood Drive
BUS

Manchester, New Hampshire

23 mi away
119 Canal St.
BUS

Concord, New Hampshire

43 mi away
30 Stickney Ave.
RAIL

Haverhill station

46 mi away
Washington Street at Railroad Square

Flight Path Map

This map shows the direct air route between Merrimack and Wilton. Straight-line distance: 12.33 mi (19.85 km).

Merrimack

#1 Merrimack

River in New Hampshire and Massachusetts, United States

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

#2 Wilton

Town in New Hampshire

Population3,838
Coordinates42.8434200, -71.7350700
Altitude116
CountryUnited States
Start: Merrimack (-71.4934, 42.86509)
End: Wilton (-71.73507, 42.84342)

Estimated Travel Time

Distance: 28 km by road

SpeedTime
30 mph (48.3 km/h)00h 34m
40 mph (64.37 km/h)00h 25m
50 mph (80.47 km/h)00h 20m
60 mph (96.56 km/h)00h 17m
70 mph (112.65 km/h)00h 14m
80 mph (129 km/h)00h 12m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.6 gal
2.29 L · about $2.37
Round trip
$4.73
1.2 gal · 4.58 L
Estimated CO2
5.3 kg one way
Round trip: 10.7 kg / 24 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $2.37 $4.73
Mid-grade $4.46 $2.67 $5.35
Premium $4.86 $2.91 $5.83
Diesel $6.00 $3.60 $7.20

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 30, 2026

There is no time difference between Merrimack and Wilton. The current time is 13:18:07.

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.