How far is Atkinson, NH from Portsmouth, NH?

The driving distance from Atkinson, NH to Portsmouth, NH is about 34.1 miles (54.8 km), with a travel time of about 00h 38m by car.

  • The straight-line flight distance is about 25.7 miles (41.3 km).
  • For a round trip, plan for roughly 01h 17m 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
34.04 mi
00h 38m
Flight
25.68 mi
41.33 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Atkinson.

Flight Distance

Direct air line
25.68 mi
Kilometers
41.33 km
Flight Time
00h 03m

Driving Distance

Road route
34.04 mi
Kilometers
54.79 km
Drive Time
00h 38m

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 38m.

Arrival Snapshot
Arrive in Portsmouth
Thu, Jun 11, 10:22 AM EDT
Return by in Atkinson
Thu, Jun 11, 11:01 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Atkinson
2026-06-11T09:43
Arrive Portsmouth
Thu, Jun 11, 10:22 AM EDT
Route Timing
00h 38m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:39 AM to 7:39 PM EDT

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

Leave by
7:12 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Atkinson
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
Seabrook
NH

Town in New Hampshire, United States

From Atkinson
17 mi
00h 19m
To Portsmouth
17 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Thursday

Showers And Thunderstorms Likely

Starts
Thu, Jun 11 6:00 AM EDT
Wind
5 mph NW
Destination
Portsmouth Weather
NH
Live fallback forecast
88°F
Thursday
Using Greenland as the closest live forecast in the Rockingham County weather hub.

Patchy Fog then Isolated Showers And Thunderstorms

Starts
Thu, Jun 11 6:00 AM EDT
Wind
5 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Leroy Avenue

    715 ft · 36 sec · Leroy Avenue

  2. 2

    Turn left onto Main Street

    2.1 mi · 5 min · Main Street

  3. 3

    Continue on Atkinson Depot Road

    2217 ft · 57 sec · Atkinson Depot Road

  4. 4

    Continue on Main Street

    1.4 mi · 3 min · Main Street

  5. 5

    Take the exit slight right toward I 495 North: Salisbury

    1686 ft · 41 sec

  6. 6

    Merge slight left

    11.9 mi · 14 min

  7. 7

    Merge slight left

    6.7 mi · 8 min

  8. 8

    Keep slight left to continue on Blue Star Turnpike

    7.8 mi · 9 min · Blue Star Turnpike

  9. 9

    Keep slight right to continue on Blue Star Turnpike

    1.9 mi · 3 min · Blue Star Turnpike

  10. 10

    Take the exit slight right

    1313 ft · 35 sec

  11. 11

    Turn right onto Market Street

    1 mi · 3 min · Market Street

  12. 12

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

    16 m · 1 sec · Congress Street

  13. 13

    Arrive at your destination

    0 m · 1 sec · Congress Street

Car Route Details

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

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
5 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
38.2 / 100 mi
Decision points by distance
Main Roads
I 495 North
18.9 mi · 56%
Blue Star Turnpike
10 mi · 29%
Main Street
3.55 mi · 10%
Market Street
1.01 mi · 3%
Atkinson Depot Road
0.42 mi · 1%
Leroy Avenue
0.14 mi
Longest Stretch

I 495 North

Merge slight left

11.9 mi · 00h 14m

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 38m
Quick drive
Same-Day Return
01h 18m
Round-trip wheel time
Road vs Air
+8.4 mi
25.7 mi direct line
Halfway Stop
Seabrook
00h 19m from Atkinson
Leave By
7:12 PM EDT
Flexible departure
Weather Watch

Showers And Thunderstorms Likely leaving Atkinson and Patchy Fog then Isolated Showers And Thunderstorms near Portsmouth.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 34.1 miles (54.8 km) and usually takes 00h 38m 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?

Seabrook is a useful midpoint, sitting about 17 miles from Atkinson and 17 miles from Portsmouth.

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

The direct path is about 25.7 miles (41.3 km), while the road route adds roughly 8.4 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 7:12 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.73 one way or $9.47 round trip. Estimated CO2 is about 10.7 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Atkinson and Patchy Fog then Isolated Showers And Thunderstorms near Portsmouth.

Stop Ideas Near Seabrook

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

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

BUS

Newburyport, Massachusetts

10 mi away
90 Storey Avenue
RAIL

Exeter station

12 mi away
60 Lincoln Street
BUS

Portsmouth, New Hampshire

19 mi away
185 Grafton Drive
RAIL

Haverhill station

22 mi away
Washington Street at Railroad Square

Flight Path Map

This map shows the direct air route between Atkinson and Portsmouth. Straight-line distance: 25.68 mi (41.33 km).

Atkinson

#1 Atkinson

Town in New Hampshire, USA

Population7,163
Coordinates42.8384200, -71.1470000
Altitude91
CountryUnited States
Portsmouth

#2 Portsmouth

City in Rockingham County, New Hampshire, United States

Population21,557
Coordinates43.0770400, -70.7576600
Altitude6
CountryUnited States
Start: Leroy Avenue (-71.147192, 42.83844)
End: Congress Street (-70.757617, 43.077054)

Estimated Travel Time

Distance: 55 km by road

SpeedTime
30 mph (48.3 km/h)01h 08m
40 mph (64.37 km/h)00h 51m
50 mph (80.47 km/h)00h 40m
60 mph (96.56 km/h)00h 34m
70 mph (112.65 km/h)00h 29m
80 mph (129 km/h)00h 25m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.2 gal
4.55 L · about $4.73
Round trip
$9.47
2.4 gal · 9.1 L
Estimated CO2
10.7 kg one way
Round trip: 21.3 kg / 47 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $4.73 $9.47
Mid-grade $4.46 $5.35 $10.70
Premium $4.86 $5.83 $11.66
Diesel $6.00 $7.20 $14.39

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 · Jun 11, 2026

There is no time difference between Atkinson and Portsmouth. The current time is 09:43:20.

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.