How far is Bristol, NH from Portsmouth, NH?

The driving distance from Bristol, NH to Portsmouth, NH is about 82 miles (131.9 km), with a travel time of about 01h 34m by car.

  • The straight-line flight distance is about 60.7 miles (97.7 km).
  • For a round trip, plan for roughly 03h 09m 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
81.93 mi
01h 34m
Flight
60.69 mi
97.67 km direct

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

Learn Distance

Choose another destination from Bristol.

Flight Distance

Direct air line
60.69 mi
Kilometers
97.67 km
Flight Time
00h 07m

Driving Distance

Road route
81.93 mi
Kilometers
131.86 km
Drive Time
01h 34m

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 01h 34m.

Arrival Snapshot
Arrive in Portsmouth
Thu, Oct 15, 2:33 PM EDT
Return by in Bristol
Thu, Oct 15, 4:07 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bristol
2026-10-15T12:58
Arrive Portsmouth
Thu, Oct 15, 2:33 PM EDT
Route Timing
01h 34m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:35 AM to 11:35 AM EDT

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

Leave by
3:20 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Bristol
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
Chichester
NH

Human settlement in Merrimack County, New Hampshire, United States of America

From Bristol
40.9 mi
00h 47m
To Portsmouth
41 mi
00h 47m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 to 10 mph NW
Destination
Portsmouth Weather
NH
Live fallback forecast
60°F
Thursday
Using Greenland as the closest live forecast in the Rockingham County weather hub.

Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
0 to 5 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Pleasant Street

    31 m · 3 sec · Pleasant Street

  2. 2

    Continue on Summer Street

    4.4 mi · 8 min · Summer Street

  3. 3

    Continue on New Hampshire Highway 104

    1.1 mi · 2 min · New Hampshire Highway 104

  4. 4

    Take the ramp left toward I 93 South: Tilton, Concord

    1505 ft · 37 sec

  5. 5

    Merge slight left onto Styles Bridges Highway

    14.9 mi · 16 min · Styles Bridges Highway

  6. 6

    Continue on Senator Styles Bridges Highway

    15.4 mi · 18 min · Senator Styles Bridges Highway

  7. 7

    Take the exit slight right toward I 393 East, US 4 East, US 202 East: Loudon, Portsmouth

    10 mi · 16 min

  8. 8

    Enter the roundabout and take exit 2 toward Epsom Circle

    76 m · 6 sec · Dover Road

  9. 9

    Exit the rotary onto Dover Road

    4.3 mi · 7 min · Dover Road

  10. 10

    Continue on First New Hampshire Turnpike

    7.8 mi · 13 min · First New Hampshire Turnpike

  11. 11

    Continue on Old Turnpike Road

    5.1 mi · 7 min · Old Turnpike Road

  12. 12

    Continue on Old Concord Turnpike

    1.8 mi · 3 min · Old Concord Turnpike

  13. 13

    Continue on Concord Road

    2565 ft · 56 sec · Concord Road

  14. 14

    Enter the roundabout and take exit 2 toward Lee Circle

    50 m · 5 sec · Concord Road

  15. 15

    Exit the rotary onto Concord Road

    8.9 mi · 14 min · Concord Road

  16. 16

    Continue on Scammell Bridge

    1132 ft · 28 sec · Scammell Bridge

  17. 17

    Continue on Boston Harbor Road

    812 ft · 22 sec · Boston Harbor Road

  18. 18

    Enter the roundabout and take exit 2 toward the route

    54 m · 4 sec

  19. 19

    Exit the roundabout

    684 ft · 17 sec

  20. 20

    Take the exit slight right

    2827 ft · 1 min

  21. 21

    Merge slight left onto Spaulding Turnpike

    3.5 mi · 5 min · Spaulding Turnpike

  22. 22

    Take the exit slight left toward I 95 North

    1.5 km · 2 min

  23. 23

    Enter the roundabout and take exit 3 toward Portsmouth Traffic Circle

    692 ft · 20 sec

  24. 24

    Exit the rotary onto US 1 Bypass North: Portsmouth, Woodbury Avenue

    1.6 km · 2 min

  25. 25

    Turn left onto Submarine Way

    566 ft · 18 sec · Submarine Way

  26. 26

    Turn right onto Market Street

    1 km · 2 min · Market Street

  27. 27

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

    16 m · 1 sec · Congress Street

  28. 28

    Arrive at your destination

    0 m · 1 sec · Congress Street

Car Route Details

A richer read on the saved driving route between Bristol 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
28 steps
15 turns on the saved route
Ramps & Exits
14
2 merges, 12 ramps or exits
Navigation Density
34.2 / 100 mi
Decision points by distance
Main Roads
Senator Styles Bridges Highway
15.4 mi · 19%
Styles Bridges Highway
14.9 mi · 18%
I 393 East
9.98 mi · 12%
Concord Road
9.35 mi · 11%
First New Hampshire Turnpike
7.78 mi · 9%
Old Turnpike Road
5.06 mi · 6%
Longest Stretch

Senator Styles Bridges Highway

Continue on Senator Styles Bridges Highway

15.4 mi · 00h 18m

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
01h 34m
Day trip friendly
Same-Day Return
03h 10m
Round-trip wheel time
Road vs Air
+21.3 mi
60.7 mi direct line
Halfway Stop
Chichester
00h 47m from Bristol
Leave By
3:20 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Bristol and Sunny near Portsmouth.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 82 miles (131.9 km) and usually takes 01h 34m 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?

Chichester is a useful midpoint, sitting about 40.9 miles from Bristol and 41 miles from Portsmouth.

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

The direct path is about 60.7 miles (97.7 km), while the road route adds roughly 21.3 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 3:20 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.41 one way or $24.82 round trip. Estimated CO2 is about 25.7 kg one way.

What should you check before leaving?

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

Stop Ideas Near Chichester

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

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

BUS

Concord, New Hampshire

12 mi away
30 Stickney Ave.
BUS

Tilton, New Hampshire

27 mi away
I-93 and US hwy 3
BUS

Manchester, New Hampshire

30 mi away
119 Canal St.
RAIL

Durham–UNH station

40 mi away
3 Depot Road

Flight Path Map

This map shows the direct air route between Bristol and Portsmouth. Straight-line distance: 60.69 mi (97.67 km).

Bristol

#1 Bristol

Town in New Hampshire

Population3,156
Coordinates43.5911900, -71.7367500
Altitude142
CountryUnited States
Portsmouth

#2 Portsmouth

City in Rockingham County, New Hampshire, United States

Population21,557
Coordinates43.0770400, -70.7576600
Altitude6
CountryUnited States
Start: Pleasant Street (-71.736717, 43.591191)
End: Congress Street (-70.757617, 43.077054)

Estimated Travel Time

Distance: 132 km by road

SpeedTime
30 mph (48.3 km/h)02h 43m
40 mph (64.37 km/h)02h 02m
50 mph (80.47 km/h)01h 38m
60 mph (96.56 km/h)01h 21m
70 mph (112.65 km/h)01h 10m
80 mph (129 km/h)01h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.89 gal
10.94 L · about $12.41
Round trip
$24.82
5.78 gal · 21.88 L
Estimated CO2
25.7 kg one way
Round trip: 51.4 kg / 113 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.29 $12.41 $24.82
Mid-grade $4.88 $14.11 $28.23
Premium $5.34 $15.42 $30.85
Diesel $6.35 $18.36 $36.71

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 Bristol and Portsmouth. The current time is 12:58:46.

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.