How far is Portsmouth, NH from Kingston, NH?

The driving distance from Portsmouth, NH to Kingston, NH is about 23.4 miles (37.7 km), with a travel time of about 00h 40m by car.

  • The straight-line flight distance is about 17.8 miles (28.7 km).
  • For a round trip, plan for roughly 01h 21m 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
23.41 mi
00h 40m
Flight
17.82 mi
28.68 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Portsmouth.

Flight Distance

Direct air line
17.82 mi
Kilometers
28.68 km
Flight Time
00h 02m

Driving Distance

Road route
23.41 mi
Kilometers
37.67 km
Drive Time
00h 40m

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 40m.

Arrival Snapshot
Arrive in Kingston
Thu, Oct 15, 3:25 PM EDT
Return by in Portsmouth
Thu, Oct 15, 4:06 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portsmouth
2026-10-15T14:44
Arrive Kingston
Thu, Oct 15, 3:25 PM EDT
Route Timing
00h 40m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:41 AM to 7:41 PM EDT

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

Leave by
7:08 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Portsmouth
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
North Hampton
NH

County seat of Hampshire County, Massachusetts, United States

From Portsmouth
11.7 mi
00h 20m
To Kingston
11.7 mi
00h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Portsmouth Weather
NH
Live fallback forecast
60°F
This Afternoon
Using Greenland as the closest live forecast in the Rockingham County weather hub.

Mostly Sunny

Starts
Thu, Oct 15 1:00 PM EDT
Wind
0 to 5 mph NW
Destination
60°F
Today

Sunny

Starts
Thu, Oct 15 10:00 AM EDT
Wind
0 to 5 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Congress Street

    124 m · 15 sec · Congress Street

  2. 2

    Turn right onto Fleet Street

    141 m · 17 sec · Fleet Street

  3. 3

    Turn right onto Hanover Street

    662 ft · 27 sec · Hanover Street

  4. 4

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

    1 mi · 3 min · Market Street

  5. 5

    Take the ramp left toward I 95 South: Hampton, Boston

    1468 ft · 36 sec

  6. 6

    Merge slight left

    8.8 mi · 11 min

  7. 7

    Take the exit slight right toward NH 101: Hampton, Manchester

    3185 ft · 1 min

  8. 8

    Keep slight right to continue on 101 West: Manchester, Concord, Exeter

    2083 ft · 51 sec

  9. 9

    Merge slight left onto Exeter-Hampton Expressway

    3.2 mi · 4 min · Exeter-Hampton Expressway

  10. 10

    Take the exit slight right toward NH 108: Stratham, Exeter

    1619 ft · 46 sec

  11. 11

    Keep slight left to continue on NH 108 South: Exeter, Hampton Falls

    147 m · 15 sec

  12. 12

    Turn slight left onto Portsmouth Avenue

    1.1 mi · 3 min · Portsmouth Avenue

  13. 13

    Turn right onto High Street

    743 ft · 25 sec · High Street

  14. 14

    Continue on Water Street

    558 ft · 19 sec · Water Street

  15. 15

    Turn left onto Front Street

    142 m · 21 sec · Front Street

  16. 16

    Continue on Front Street

    1.3 mi · 4 min · Front Street

  17. 17

    Continue on Kingston Road

    2.4 mi · 5 min · Kingston Road

  18. 18

    Continue on Exeter Road

    2.6 mi · 5 min · Exeter Road

  19. 19

    Continue on Main Street

    3138 ft · 1 min · Main Street

  20. 20

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

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

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
20 steps
6 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
85.5 / 100 mi
Decision points by distance
Main Roads
I 95 South
9.11 mi · 39%
Exeter-Hampton Expressway
3.25 mi · 14%
Exeter Road
2.65 mi · 11%
Kingston Road
2.39 mi · 10%
Front Street
1.37 mi · 6%
Portsmouth Avenue
1.11 mi · 5%
Longest Stretch

I 95 South

Merge slight left

8.83 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 40m
Quick drive
Same-Day Return
01h 22m
Round-trip wheel time
Road vs Air
+5.6 mi
17.8 mi direct line
Halfway Stop
North Hampton
00h 20m from Portsmouth
Leave By
7:08 PM EDT
Flexible departure
Weather Watch

Mostly Sunny leaving Portsmouth and Sunny near Kingston.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 23.4 miles (37.7 km) and usually takes 00h 40m 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?

North Hampton is a useful midpoint, sitting about 11.7 miles from Portsmouth and 11.7 miles from Kingston.

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

The direct path is about 17.8 miles (28.7 km), while the road route adds roughly 5.6 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 7:08 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.56 one way or $7.13 round trip. Estimated CO2 is about 7.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Portsmouth and Sunny near Kingston.

Stop Ideas Near North Hampton

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around North Hampton and the surrounding midpoint area.
Old City Hall
Scenic stop 9.9 mi away

Old City Hall

Portsmouth , NH
Portsmouth, NH 03801
Rating 5.0/5 2 reviews City Hall,Tourist attraction
Portsmouth City Hall
Meeting point 9.6 mi away

Portsmouth City Hall

Portsmouth , NH
1 Junkins Ave, Portsmouth, NH 03801
Rating 4.5/5 26 reviews City Hall

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to North Hampton.

RAIL

Exeter station

10 mi away
60 Lincoln Street
BUS

Portsmouth, New Hampshire

10 mi away
185 Grafton Drive
BUS

Newburyport, Massachusetts

19 mi away
90 Storey Avenue
RAIL

Durham–UNH station

20 mi away
3 Depot Road

Flight Path Map

This map shows the direct air route between Portsmouth and Kingston. Straight-line distance: 17.82 mi (28.68 km).

Portsmouth

#1 Portsmouth

City in Rockingham County, New Hampshire, United States

Population21,557
Coordinates43.0770400, -70.7576600
Altitude6
CountryUnited States
Kingston

#2 Kingston

Town in New Hampshire, USA

Population6,426
Coordinates42.9364800, -71.0533900
Altitude40
CountryUnited States
Start: Portsmouth (-70.75766, 43.07704)
End: Kingston (-71.05339, 42.93648)

Estimated Travel Time

Distance: 38 km by road

SpeedTime
30 mph (48.3 km/h)00h 46m
40 mph (64.37 km/h)00h 35m
50 mph (80.47 km/h)00h 28m
60 mph (96.56 km/h)00h 23m
70 mph (112.65 km/h)00h 20m
80 mph (129 km/h)00h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.83 gal
3.13 L · about $3.56
Round trip
$7.13
1.66 gal · 6.26 L
Estimated CO2
7.4 kg one way
Round trip: 14.8 kg / 33 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.29 $3.56 $7.13
Mid-grade $4.88 $4.05 $8.11
Premium $5.34 $4.43 $8.86
Diesel $6.35 $5.27 $10.54

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 · Oct 15, 2026

There is no time difference between Portsmouth and Kingston. The current time is 14:44:35.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.