How far is Wilton, NH from Merrimack, NH?

The driving distance from Wilton, NH to Merrimack, NH is about 19.1 miles (30.8 km), with a travel time of about 00h 27m by car.

  • The straight-line flight distance is about 12.3 miles (19.8 km).
  • For a round trip, plan for roughly 00h 55m 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
19.14 mi
00h 27m
Flight
12.33 mi
19.85 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Wilton.

Flight Distance

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

Driving Distance

Road route
19.14 mi
Kilometers
30.81 km
Drive Time
00h 27m

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 27m.

Arrival Snapshot
Arrive in Merrimack
Thu, Apr 30, 12:24 PM EDT
Return by in Wilton
Thu, Apr 30, 12:52 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Wilton
2026-04-30T11:56
Arrive Merrimack
Thu, Apr 30, 12:24 PM EDT
Route Timing
00h 27m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:28 AM to 7:28 PM EDT

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

Leave by
7:34 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Wilton
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 Wilton
8.5 mi
00h 13m
To Merrimack
10.6 mi
00h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Thursday

Rain Showers

Starts
Thu, Apr 30 6:00 AM EDT
Wind
0 to 5 mph N
Destination
55°F
Thursday

Light Rain

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

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Maple Street

    2506 ft · 1 min · Maple Street

  2. 2

    Turn right onto Madison Street

    158 m · 28 sec · Madison Street

  3. 3

    At the end of the road, turn left onto Wilton Road

    2111 ft · 46 sec · Wilton Road

  4. 4

    Turn left onto Elm Street

    1.2 km · 2 min · Elm Street

  5. 5

    Turn right onto State Route 101

    4.9 mi · 7 min · State Route 101

  6. 6

    Take the exit slight right toward NH 101A: Milford, Nashua

    2194 ft · 1 min

  7. 7

    Keep slight left

    68 m · 10 sec

  8. 8

    Turn right

    4 mi · 8 min

  9. 9

    Turn left onto Continental Boulevard

    3.9 mi · 8 min · Continental Boulevard

  10. 10

    Continue on Greeley Street

    1028 ft · 33 sec · Greeley Street

  11. 11

    Turn left onto Daniel Webster Highway

    1.9 mi · 5 min · Daniel Webster Highway

  12. 12

    Turn sharp right onto Loop Road

    25 m · 4 sec · Loop Road

  13. 13

    Arrive at your destination

    0 m · 1 sec · Loop Road

Car Route Details

A richer read on the saved driving route between Wilton 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
13 steps
8 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
68.1 / 100 mi
Decision points by distance
Main Roads
State Route 101
4.88 mi · 25%
Continental Boulevard
3.88 mi · 20%
Daniel Webster Highway
1.89 mi · 10%
Elm Street
0.77 mi · 4%
Maple Street
0.47 mi · 2%
NH 101A
0.46 mi · 2%
Longest Stretch

State Route 101

Turn right onto State Route 101

4.88 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 27m
Quick drive
Same-Day Return
00h 56m
Round-trip wheel time
Road vs Air
+6.8 mi
12.3 mi direct line
Halfway Stop
Milford
00h 13m from Wilton
Leave By
7:34 PM EDT
Flexible departure
Weather Watch

Rain Showers leaving Wilton and Light Rain near Merrimack.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 19.1 miles (30.8 km) and usually takes 00h 27m 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 8.5 miles from Wilton and 10.6 miles from Merrimack.

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 6.8 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 7:34 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.68 one way or $5.37 round trip. Estimated CO2 is about 6 kg one way.

What should you check before leaving?

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

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 Wilton and Merrimack. Straight-line distance: 12.33 mi (19.85 km).

Wilton

#1 Wilton

Town in New Hampshire

Population3,838
Coordinates42.8434200, -71.7350700
Altitude116
CountryUnited States
Merrimack

#2 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Start: Maple Street (-71.73509, 42.843258)
End: (-71.493333, 42.865106)

Estimated Travel Time

Distance: 31 km by road

SpeedTime
30 mph (48.3 km/h)00h 38m
40 mph (64.37 km/h)00h 28m
50 mph (80.47 km/h)00h 22m
60 mph (96.56 km/h)00h 19m
70 mph (112.65 km/h)00h 16m
80 mph (129 km/h)00h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.68 gal
2.56 L · about $2.68
Round trip
$5.37
1.36 gal · 5.12 L
Estimated CO2
6 kg one way
Round trip: 12.1 kg / 27 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $2.68 $5.37
Mid-grade $4.46 $3.03 $6.06
Premium $4.86 $3.30 $6.61
Diesel $6.00 $4.08 $8.16

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 Wilton and Merrimack. The current time is 11:56:55.

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.