How far is Windham, NH from Portsmouth, NH?

The driving distance from Windham, NH to Portsmouth, NH is about 47.4 miles (76.3 km), with a travel time of about 00h 50m by car.

  • The straight-line flight distance is about 33.6 miles (54.1 km).
  • For a round trip, plan for roughly 01h 41m 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
47.4 mi
00h 50m
Flight
33.6 mi
54.08 km direct

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

Learn Distance

Choose another destination from Windham.

Flight Distance

Direct air line
33.6 mi
Kilometers
54.08 km
Flight Time
00h 04m

Driving Distance

Road route
47.4 mi
Kilometers
76.29 km
Drive Time
00h 50m

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 50m.

Arrival Snapshot
Arrive in Portsmouth
Sat, May 2, 1:44 PM EDT
Return by in Windham
Sat, May 2, 2:35 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Windham
2026-05-02T12:54
Arrive Portsmouth
Sat, May 2, 1:44 PM EDT
Route Timing
00h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:51 AM to 10:51 AM EDT

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

Leave by
4:48 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Windham
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
Newton
NH

Town in New Hampshire, in the United States

From Windham
23.7 mi
00h 25m
To Portsmouth
23.7 mi
00h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM EDT
Wind
5 to 10 mph W
Destination
Portsmouth Weather
NH
Live fallback forecast
55°F
Saturday
Using Greenland as the closest live forecast in the Rockingham County weather hub.

Mostly Sunny then Slight Chance Rain Showers

Starts
Sat, May 2 6:00 AM EDT
Wind
5 mph SW

Driving Route Map

The map below follows the saved road route between Windham and Portsmouth.

Turn-by-Turn Driving Directions

Step-by-step road directions between Windham and Portsmouth.

  1. 1

    Start on the route

    77 m · 19 sec

  2. 2

    Keep slight left

    742 ft · 1 min

  3. 3

    Turn left onto Lowell Road

    754 ft · 21 sec · Lowell Road

  4. 4

    Turn right onto Indian Rock Road

    1.6 mi · 3 min · Indian Rock Road

  5. 5

    Take the ramp slight right toward I 93 South

    3126 ft · 1 min

  6. 6

    Merge slight left

    5.8 mi · 7 min

  7. 7

    Take the exit slight right toward MA 213 East: Methuen, Haverhill

    1938 ft · 42 sec

  8. 8

    Merge slight left onto Loop Connector

    76 m · 5 sec · Loop Connector

  9. 9

    Continue on Loop Connector

    3.5 mi · 5 min · Loop Connector

  10. 10

    Keep slight left to continue on I 495 North: Haverhill, Salisbury

    2822 ft · 1 min

  11. 11

    Merge slight left

    16.8 mi · 20 min

  12. 12

    Merge slight left

    6.7 mi · 8 min

  13. 13

    Keep slight left to continue on Blue Star Turnpike

    7.8 mi · 9 min · Blue Star Turnpike

  14. 14

    Keep slight right to continue on Blue Star Turnpike

    1.9 mi · 3 min · Blue Star Turnpike

  15. 15

    Take the exit slight right

    1313 ft · 35 sec

  16. 16

    Turn right onto Market Street

    1 mi · 3 min · Market Street

  17. 17

    At the end of the road, turn right onto Congress Street

    16 m · 1 sec · Congress Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · Congress Street

Car Route Details

A richer read on the saved driving route between Windham and Portsmouth.

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
18 steps
6 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
38 / 100 mi
Decision points by distance
Main Roads
I 495 North
24 mi · 51%
Blue Star Turnpike
10 mi · 21%
I 93 South
6.41 mi · 14%
Loop Connector
3.58 mi · 8%
Indian Rock Road
1.64 mi · 3%
Market Street
1.01 mi · 2%
Longest Stretch

I 495 North

Merge slight left

16.8 mi · 00h 20m

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
00h 50m
Day trip friendly
Same-Day Return
01h 42m
Round-trip wheel time
Road vs Air
+13.8 mi
33.6 mi direct line
Halfway Stop
Newton
00h 25m from Windham
Leave By
4:48 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Windham and Mostly Sunny then Slight Chance Rain Showers near Portsmouth.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Windham to Portsmouth?

The road trip is about 47.4 miles (76.3 km) and usually takes 00h 50m 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?

Newton is a useful midpoint, sitting about 23.7 miles from Windham and 23.7 miles from Portsmouth.

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

The direct path is about 33.6 miles (54.1 km), while the road route adds roughly 13.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:48 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.59 one way or $13.18 round trip. Estimated CO2 is about 14.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Windham and Mostly Sunny then Slight Chance Rain Showers near Portsmouth.

Stop Ideas Near Newton

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

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

BUS

Newburyport, Massachusetts

11 mi away
90 Storey Avenue
RAIL

Haverhill station

12 mi away
Washington Street at Railroad Square
RAIL

Exeter station

14 mi away
60 Lincoln Street
BUS

Portsmouth, New Hampshire

28 mi away
185 Grafton Drive

Flight Path Map

This map shows the direct air route between Windham and Portsmouth. Straight-line distance: 33.6 mi (54.08 km).

Windham

#1 Windham

City in New Hampshire

Population14,865
Coordinates42.8006400, -71.3042300
Altitude60
CountryUnited States
Portsmouth

#2 Portsmouth

City in Rockingham County, New Hampshire, United States

Population21,557
Coordinates43.0770400, -70.7576600
Altitude6
CountryUnited States
Start: (-71.304271, 42.800568)
End: Congress Street (-70.757617, 43.077054)

Estimated Travel Time

Distance: 76 km by road

SpeedTime
30 mph (48.3 km/h)01h 34m
40 mph (64.37 km/h)01h 11m
50 mph (80.47 km/h)00h 56m
60 mph (96.56 km/h)00h 47m
70 mph (112.65 km/h)00h 40m
80 mph (129 km/h)00h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.67 gal
6.33 L · about $6.59
Round trip
$13.18
3.34 gal · 12.66 L
Estimated CO2
14.8 kg one way
Round trip: 29.7 kg / 65 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $6.59 $13.18
Mid-grade $4.46 $7.44 $14.89
Premium $4.86 $8.11 $16.23
Diesel $6.00 $10.01 $20.03

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 02, 2026

There is no time difference between Windham and Portsmouth. The current time is 12:54:14.

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.