How far is Pelham, NH from Merrimack, NH?

The driving distance from Pelham, NH to Merrimack, NH is about 20.5 miles (33 km), with a travel time of about 00h 30m by car.

  • The straight-line flight distance is about 12.4 miles (20 km).
  • For a round trip, plan for roughly 01h 01m 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
20.5 mi
00h 30m
Flight
12.44 mi
20.02 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Pelham.

Flight Distance

Direct air line
12.44 mi
Kilometers
20.02 km
Flight Time
00h 01m

Driving Distance

Road route
20.5 mi
Kilometers
32.99 km
Drive Time
00h 30m

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 30m.

Arrival Snapshot
Arrive in Merrimack
Thu, Apr 23, 12:56 AM EDT
Return by in Pelham
Thu, Apr 23, 1:27 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Pelham
2026-04-23T00:25
Arrive Merrimack
Thu, Apr 23, 12:56 AM EDT
Route Timing
00h 30m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:31 AM to 7:31 PM EDT

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

Leave by
7:28 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Pelham
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
Nashua
NH

The most populous city in Hillsborough County, New Hampshire.

From Pelham
10.3 mi
00h 15m
To Merrimack
10.3 mi
00h 15m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Thursday

Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
2 to 7 mph NW
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 Pelham and Merrimack.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Nashua Road

    108 m · 11 sec · Nashua Road

  2. 2

    Enter the roundabout and take exit 1 toward Marsh Road

    12 m · 2 sec · Marsh Road

  3. 3

    Exit the roundabout onto Marsh Road

    676 ft · 13 sec · Marsh Road

  4. 4

    Enter the roundabout and take exit 2 toward Marsh Road

    30 m · 2 sec · Marsh Road

  5. 5

    Exit the roundabout onto Marsh Road

    2.4 mi · 4 min · Marsh Road

  6. 6

    Turn straight onto Mammoth Road

    933 ft · 20 sec · Mammoth Road

  7. 7

    Turn slight right

    74 m · 7 sec

  8. 8

    Continue on Sherburne Road

    1.9 mi · 4 min · Sherburne Road

  9. 9

    At the end of the road, turn right onto Dracut Road

    2 mi · 4 min · Dracut Road

  10. 10

    Turn slight right onto Lowell Road

    1.2 km · 2 min · Lowell Road

  11. 11

    Take the ramp left

    852 ft · 14 sec

  12. 12

    Continue on Circumferential Highway

    1.6 km · 1 min · Circumferential Highway

  13. 13

    Keep slight right to continue on US 3 North: Manchester, Concord

    1.2 km · 1 min

  14. 14

    Merge slight left onto Everett Turnpike

    8.6 mi · 11 min · Everett Turnpike

  15. 15

    Take the exit slight right toward Merrimack

    2782 ft · 1 min

  16. 16

    Turn right onto Greeley Street

    798 ft · 25 sec · Greeley Street

  17. 17

    Turn left onto Daniel Webster Highway

    1.9 mi · 5 min · Daniel Webster Highway

  18. 18

    Turn sharp right onto Loop Road

    25 m · 4 sec · Loop Road

  19. 19

    Arrive at your destination

    0 m · 1 sec · Loop Road

Car Route Details

A richer read on the saved driving route between Pelham 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
19 steps
12 turns on the saved route
Ramps & Exits
7
1 merges, 6 ramps or exits
Navigation Density
92.7 / 100 mi
Decision points by distance
Main Roads
Everett Turnpike
9.08 mi · 44%
Marsh Road
2.54 mi · 12%
Dracut Road
1.99 mi · 10%
Sherburne Road
1.89 mi · 9%
Daniel Webster Highway
1.89 mi · 9%
Circumferential Highway
0.98 mi · 5%
Longest Stretch

Everett Turnpike

Merge slight left onto Everett Turnpike

8.56 mi · 00h 11m

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 30m
Quick drive
Same-Day Return
01h 02m
Round-trip wheel time
Road vs Air
+8.1 mi
12.4 mi direct line
Halfway Stop
Nashua
00h 15m from Pelham
Leave By
7:28 PM EDT
Flexible departure
Weather Watch

Partly Sunny leaving Pelham 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 Pelham to Merrimack?

The road trip is about 20.5 miles (33 km) and usually takes 00h 30m 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?

Nashua is a useful midpoint, sitting about 10.3 miles from Pelham and 10.3 miles from Merrimack.

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

The direct path is about 12.4 miles (20 km), while the road route adds roughly 8.1 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 7:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.84 one way or $5.68 round trip. Estimated CO2 is about 6.4 kg one way.

What should you check before leaving?

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

Stop Ideas Near Nashua

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

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

BUS

Nashua, NH

4 mi away
8 North Southwood Drive
BUS

Manchester, New Hampshire

25 mi away
119 Canal St.
RAIL

Haverhill station

31 mi away
Washington Street at Railroad Square
RAIL

Anderson Regional Transportation Center

39 mi away
100 Atlantic Ave.

Flight Path Map

This map shows the direct air route between Pelham and Merrimack. Straight-line distance: 12.44 mi (20.02 km).

Pelham

#1 Pelham

City in Hillsborough County, New Hampshire, United States of America

Population14,306
Coordinates42.7345300, -71.3245100
Altitude47
CountryUnited States
Merrimack

#2 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Start: Nashua Road (-71.324395, 42.73464)
End: (-71.493333, 42.865106)

Estimated Travel Time

Distance: 33 km by road

SpeedTime
30 mph (48.3 km/h)00h 40m
40 mph (64.37 km/h)00h 30m
50 mph (80.47 km/h)00h 24m
60 mph (96.56 km/h)00h 20m
70 mph (112.65 km/h)00h 17m
80 mph (129 km/h)00h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.72 gal
2.74 L · about $2.84
Round trip
$5.68
1.44 gal · 5.48 L
Estimated CO2
6.4 kg one way
Round trip: 12.8 kg / 28 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $2.84 $5.68
Mid-grade $4.46 $3.21 $6.42
Premium $4.86 $3.50 $7.00
Diesel $6.00 $4.32 $8.64

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 Pelham and Merrimack. The current time is 00:25:54.

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.