How far is Portsmouth, NH from Littleton, NH?

The driving distance from Portsmouth, NH to Littleton, NH is about 129.7 miles (208.7 km), with a travel time of about 02h 49m by car.

  • The straight-line flight distance is about 98.9 miles (159.1 km).
  • For a round trip, plan for roughly 05h 39m 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
129.68 mi
02h 49m
Flight
98.84 mi
159.07 km direct

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

Learn Distance

Choose another destination from Portsmouth.

Flight Distance

Direct air line
98.84 mi
Kilometers
159.07 km
Flight Time
00h 11m

Driving Distance

Road route
129.68 mi
Kilometers
208.7 km
Drive Time
02h 49m

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 02h 49m.

Arrival Snapshot
Arrive in Littleton
Thu, Oct 15, 5:34 PM EDT
Return by in Portsmouth
Thu, Oct 15, 8:24 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portsmouth
2026-10-15T14:45
Arrive Littleton
Thu, Oct 15, 5:34 PM EDT
Route Timing
02h 49m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:50 AM to 12:50 PM EDT

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

Leave by
12:50 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Portsmouth
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
Sanbornton
NH

Town in New Hampshire

From Portsmouth
64.7 mi
01h 24m
To Littleton
64.9 mi
01h 24m

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
52°F
This Afternoon

Mostly Sunny

Starts
Thu, Oct 15 1:00 PM EDT
Wind
0 to 5 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Congress Street

    954 ft · 34 sec · Congress Street

  2. 2

    Turn right onto Maplewood Avenue

    1.1 km · 2 min · Maplewood Avenue

  3. 3

    Turn left onto Cutts Street

    139 m · 16 sec · Cutts Street

  4. 4

    Turn slight right

    1 km · 1 min

  5. 5

    Exit the rotary onto NH 16 North: Concord, Rochester

    2261 ft · 51 sec

  6. 6

    Take the exit straight

    961 ft · 15 sec

  7. 7

    Keep slight left to continue on Spaulding Turnpike North, NH 16 North, US 4 West

    1364 ft · 21 sec

  8. 8

    Merge slight left onto Spaulding Turnpike

    3.8 mi · 5 min · Spaulding Turnpike

  9. 9

    Take the exit slight right toward US 4: Dover Point Road, Durham-UNH, Concord

    1594 ft · 39 sec

  10. 10

    Keep slight left to continue on US 4: Durham-UNH, Concord

    72 m · 8 sec

  11. 11

    Turn left

    1833 ft · 52 sec

  12. 12

    Enter the roundabout and take exit 2 toward Boston Harbor Road

    37 m · 3 sec · Boston Harbor Road

  13. 13

    Exit the roundabout onto Boston Harbor Road

    811 ft · 22 sec · Boston Harbor Road

  14. 14

    Continue on Scammell Bridge

    1132 ft · 28 sec · Scammell Bridge

  15. 15

    Continue on Piscataqua Road

    8.8 mi · 14 min · Piscataqua Road

  16. 16

    Enter the roundabout and take exit 2 toward Lee Circle

    48 m · 5 sec · Concord Road

  17. 17

    Exit the rotary onto Concord Road

    2575 ft · 56 sec · Concord Road

  18. 18

    Continue on Old Concord Turnpike

    1.8 mi · 3 min · Old Concord Turnpike

  19. 19

    Continue on Old Turnpike Road

    5.1 mi · 7 min · Old Turnpike Road

  20. 20

    Continue on First New Hampshire Turnpike

    7.8 mi · 13 min · First New Hampshire Turnpike

  21. 21

    Continue on Dover Road

    4.3 mi · 7 min · Dover Road

  22. 22

    Enter the roundabout and take exit 2 toward Epsom Circle

    81 m · 7 sec · Dover Road

  23. 23

    Exit the rotary onto Dover Road

    4.9 mi · 8 min · Dover Road

  24. 24

    Keep slight right

    4.6 mi · 7 min

  25. 25

    Take the exit slight right toward I 93 North, US 4 West: Plymouth

    16 mi · 18 min

  26. 26

    Continue on Sen Styles Bridges Highway

    1.2 km · 47 sec · Sen Styles Bridges Highway

  27. 27

    Continue on Styles Bridges Highway

    48.9 mi · 53 min · Styles Bridges Highway

  28. 28

    Continue on Franconia Notch Parkway

    7.7 mi · 12 min · Franconia Notch Parkway

  29. 29

    Continue on Styles Bridges Highway

    10.1 mi · 11 min · Styles Bridges Highway

  30. 30

    Take the exit slight right toward NH 116 North: Littleton, Whitefield

    1239 ft · 31 sec

  31. 31

    Turn straight onto Cottage Street

    1.1 km · 1 min · Cottage Street

  32. 32

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

    14 m · 1 sec · Union Street

  33. 33

    Arrive at your destination

    0 m · 1 sec · Union Street

Car Route Details

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

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
33 steps
18 turns on the saved route
Ramps & Exits
12
1 merges, 11 ramps or exits
Navigation Density
25.4 / 100 mi
Decision points by distance
Main Roads
Styles Bridges Highway
59 mi · 46%
I 93 North
16 mi · 12%
Dover Road
13.8 mi · 11%
Piscataqua Road
8.85 mi · 7%
First New Hampshire Turnpike
7.78 mi · 6%
Franconia Notch Parkway
7.73 mi · 6%
Longest Stretch

Styles Bridges Highway

Continue on Styles Bridges Highway

48.9 mi · 00h 53m

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
02h 49m
Day trip friendly
Same-Day Return
05h 40m
Round-trip wheel time
Road vs Air
+30.8 mi
98.9 mi direct line
Halfway Stop
Sanbornton
01h 24m from Portsmouth
Leave By
12:50 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Portsmouth and Mostly Sunny near Littleton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 129.7 miles (208.7 km) and usually takes 02h 49m 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?

Sanbornton is a useful midpoint, sitting about 64.7 miles from Portsmouth and 64.9 miles from Littleton.

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

The direct path is about 98.9 miles (159.1 km), while the road route adds roughly 30.8 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 12:50 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.67 one way or $39.33 round trip. Estimated CO2 is about 40.7 kg one way.

What should you check before leaving?

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

Stop Ideas Near Sanbornton

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

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

BUS

Tilton, New Hampshire

4 mi away
I-93 and US hwy 3
BUS

New Hampton, New Hampshire

15 mi away
325 Route 104
BUS

Concord, New Hampshire

31 mi away
30 Stickney Ave.
BUS

Plymouth, New Hampshire

31 mi away
83 Main St.

Flight Path Map

This map shows the direct air route between Portsmouth and Littleton. Straight-line distance: 98.84 mi (159.07 km).

Portsmouth

#1 Portsmouth

City in Rockingham County, New Hampshire, United States

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

#2 Littleton

Town in New Hampshire, United States

Population5,902
Coordinates44.3061700, -71.7700900
Altitude251
CountryUnited States
Start: Portsmouth (-70.75766, 43.07704)
End: Littleton (-71.77009, 44.30617)

Estimated Travel Time

Distance: 209 km by road

SpeedTime
30 mph (48.3 km/h)04h 19m
40 mph (64.37 km/h)03h 14m
50 mph (80.47 km/h)02h 35m
60 mph (96.56 km/h)02h 09m
70 mph (112.65 km/h)01h 51m
80 mph (129 km/h)01h 37m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.58 gal
17.32 L · about $19.67
Round trip
$39.33
9.16 gal · 34.64 L
Estimated CO2
40.7 kg one way
Round trip: 81.4 kg / 179 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.29 $19.67 $39.33
Mid-grade $4.88 $22.37 $44.74
Premium $5.34 $24.44 $48.89
Diesel $6.35 $29.09 $58.18

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 Littleton. The current time is 14:45:00.

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.