How far is Moultonborough, NH from Portsmouth, NH?

The driving distance from Moultonborough, NH to Portsmouth, NH is about 69.7 miles (112.1 km), with a travel time of about 01h 29m by car.

  • The straight-line flight distance is about 56.7 miles (91.3 km).
  • For a round trip, plan for roughly 02h 58m 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
69.67 mi
01h 29m
Flight
56.76 mi
91.35 km direct

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

Learn Distance

Choose another destination from Moultonborough.

Flight Distance

Direct air line
56.76 mi
Kilometers
91.35 km
Flight Time
00h 06m

Driving Distance

Road route
69.67 mi
Kilometers
112.12 km
Drive Time
01h 29m

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 29m.

Arrival Snapshot
Arrive in Portsmouth
Thu, Oct 15, 2:27 PM EDT
Return by in Moultonborough
Thu, Oct 15, 3:56 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Moultonborough
2026-10-15T12:58
Arrive Portsmouth
Thu, Oct 15, 2:27 PM EDT
Route Timing
01h 29m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:29 AM to 11:29 AM EDT

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

Leave by
3:32 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Moultonborough
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
Milton
NH

Town in Strafford County, New Hampshire, United States of America

From Moultonborough
34.4 mi
00h 44m
To Portsmouth
35.4 mi
00h 44m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Thursday

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 Moultonborough and Portsmouth.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Whittier Highway

    1 km · 1 min · Whittier Highway

  2. 2

    Turn right onto Governor John Wentworth Highway

    2.2 mi · 4 min · Governor John Wentworth Highway

  3. 3

    Continue on Old Mountain Road

    3.8 mi · 6 min · Old Mountain Road

  4. 4

    Continue on Mountain Road

    5.7 mi · 10 min · Mountain Road

  5. 5

    Continue on Water Village Road

    4 mi · 7 min · Water Village Road

  6. 6

    Enter the roundabout and take exit 2 toward Courthouse Square

    38 m · 2 sec · Courthouse Square

  7. 7

    Exit the roundabout onto Courthouse Square

    1448 ft · 29 sec · Courthouse Square

  8. 8

    Keep slight left to continue on Old Granite Road

    1.5 mi · 3 min · Old Granite Road

  9. 9

    Turn right onto White Mountain Highway

    15.6 mi · 22 min · White Mountain Highway

  10. 10

    Continue on Spaulding Turnpike

    32.3 mi · 43 min · Spaulding Turnpike

  11. 11

    Take the exit slight left toward I 95 North

    1.5 km · 2 min

  12. 12

    Enter the roundabout and take exit 3 toward Portsmouth Traffic Circle

    692 ft · 20 sec

  13. 13

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

    1.6 km · 2 min

  14. 14

    Turn left onto Submarine Way

    566 ft · 18 sec · Submarine Way

  15. 15

    Turn right onto Market Street

    1 km · 2 min · Market Street

  16. 16

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

    16 m · 1 sec · Congress Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · Congress Street

Car Route Details

A richer read on the saved driving route between Moultonborough 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
17 steps
10 turns on the saved route
Ramps & Exits
5
0 merges, 5 ramps or exits
Navigation Density
24.4 / 100 mi
Decision points by distance
Main Roads
Spaulding Turnpike
32.3 mi · 46%
White Mountain Highway
15.6 mi · 22%
Mountain Road
5.66 mi · 8%
Water Village Road
3.96 mi · 6%
Old Mountain Road
3.82 mi · 5%
Governor John Wentworth Highway
2.23 mi · 3%
Longest Stretch

Spaulding Turnpike

Continue on Spaulding Turnpike

32.3 mi · 00h 43m

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 29m
Day trip friendly
Same-Day Return
02h 58m
Round-trip wheel time
Road vs Air
+13 mi
56.7 mi direct line
Halfway Stop
Milton
00h 44m from Moultonborough
Leave By
3:32 PM EDT
Morning start is best
Weather Watch

Sunny leaving Moultonborough and Sunny near Portsmouth.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 69.7 miles (112.1 km) and usually takes 01h 29m 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?

Milton is a useful midpoint, sitting about 34.4 miles from Moultonborough and 35.4 miles from Portsmouth.

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

The direct path is about 56.7 miles (91.3 km), while the road route adds roughly 13 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 3:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.56 one way or $21.13 round trip. Estimated CO2 is about 21.9 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Moultonborough and Sunny near Portsmouth.

Stop Ideas Near Milton

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

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

RAIL

Dover Transportation Center

25 mi away
33 Chestnut St.
RAIL

Durham–UNH station

30 mi away
3 Depot Road
RAIL

Wells Regional Transportation Center

32 mi away
696 Sanford Road
BUS

Portsmouth, New Hampshire

41 mi away
185 Grafton Drive

Flight Path Map

This map shows the direct air route between Moultonborough and Portsmouth. Straight-line distance: 56.76 mi (91.35 km).

Moultonborough

#1 Moultonborough

Town in New Hampshire, United States

Population4,211
Coordinates43.7548000, -71.3967400
Altitude186
CountryUnited States
Portsmouth

#2 Portsmouth

City in Rockingham County, New Hampshire, United States

Population21,557
Coordinates43.0770400, -70.7576600
Altitude6
CountryUnited States
Start: Whittier Highway (-71.396651, 43.754748)
End: Congress Street (-70.757617, 43.077054)

Estimated Travel Time

Distance: 112 km by road

SpeedTime
30 mph (48.3 km/h)02h 19m
40 mph (64.37 km/h)01h 44m
50 mph (80.47 km/h)01h 23m
60 mph (96.56 km/h)01h 09m
70 mph (112.65 km/h)00h 59m
80 mph (129 km/h)00h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.46 gal
9.31 L · about $10.56
Round trip
$21.13
4.92 gal · 18.62 L
Estimated CO2
21.9 kg one way
Round trip: 43.7 kg / 96 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.29 $10.56 $21.13
Mid-grade $4.88 $12.01 $24.03
Premium $5.34 $13.13 $26.26
Diesel $6.35 $15.63 $31.25

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 Moultonborough and Portsmouth. The current time is 12:58:47.

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.