How far is Portsmouth, NH from New London, NH?
The driving distance from Portsmouth, NH to New London, NH is about 90.4 miles (145.5 km), with a travel time of about 01h 52m by car.
- The straight-line flight distance is about 66 miles (106.2 km).
- For a round trip, plan for roughly 03h 45m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 52m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Census-designated place in Merrimack County, New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Portsmouth and New London.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portsmouth and New London.
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1
Start on Congress Street
124 m · 15 sec · Congress Street
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2
Turn right onto Fleet Street
141 m · 17 sec · Fleet Street
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3
Turn right onto Hanover Street
662 ft · 27 sec · Hanover Street
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4
At the end of the road, turn left onto Market Street
1 mi · 3 min · Market Street
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5
Take the ramp left toward I 95 South: Hampton, Boston
1468 ft · 36 sec
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6
Merge slight left
8.8 mi · 11 min
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7
Take the exit slight right toward NH 101: Hampton, Manchester
3185 ft · 1 min
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8
Keep slight right to continue on 101 West: Manchester, Concord, Exeter
2083 ft · 51 sec
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9
Merge slight left onto Exeter-Hampton Expressway
30.4 mi · 35 min · Exeter-Hampton Expressway
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10
Take the exit slight right toward I 93 North: Concord
2480 ft · 38 sec
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11
Merge slight left
6.4 mi · 8 min
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12
Keep slight left to continue on Everett Turnpike
7 mi · 8 min · Everett Turnpike
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13
Take the exit slight right toward I 89 North: Lebanon, White River Junction Vermont
2720 ft · 1 min
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14
Keep slight right to continue on I 89 North: Lebanon, White River Junction Vermont
1236 ft · 43 sec
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15
Merge slight left
31 mi · 36 min
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16
Take the exit slight right toward NH 11 East: New London
1075 ft · 31 sec
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17
Turn slight right
58 m · 5 sec
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18
Merge slight left onto King Hill Road
1.2 km · 49 sec · King Hill Road
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19
Continue on State Route 11
2042 ft · 27 sec · State Route 11
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20
Turn left onto Main Street
1.6 mi · 4 min · Main Street
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21
Turn left onto South Pleasant Street
47 m · 5 sec · South Pleasant Street
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22
Arrive at your destination
0 m · 1 sec · South Pleasant Street
Car Route Details
A richer read on the saved driving route between Portsmouth and New London.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 89 North
Merge slight left
31 mi · 00h 36m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Portsmouth and Mostly Sunny near New London.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portsmouth to New London?
The road trip is about 90.4 miles (145.5 km) and usually takes 01h 52m 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?
South Hooksett is a useful midpoint, sitting about 45.1 miles from Portsmouth and 45.3 miles from New London.
How much longer is the road route than the straight-line distance?
The direct path is about 66 miles (106.2 km), while the road route adds roughly 24.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.70 one way or $27.40 round trip. Estimated CO2 is about 28.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Portsmouth and Mostly Sunny near New London.
Stop Ideas Near South Hooksett
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to South Hooksett.
Manchester, New Hampshire
Concord, New Hampshire
Nashua, NH
Exeter station
Flight Path Map
This map shows the direct air route between Portsmouth and New London. Straight-line distance: 66.01 mi (106.24 km).
#1 Portsmouth
City in Rockingham County, New Hampshire, United States
| Population | 21,557 |
| Coordinates | 43.0770400, -70.7576600 |
| Altitude | 6 |
| Country | United States |
#2 New London
Town in Merrimack County, New Hampshire, United States
| Population | 4,268 |
| Coordinates | 43.4139600, -71.9850800 |
| Altitude | 392 |
| Country | United States |
End: New London (-71.98508, 43.41396)
Estimated Travel Time
Distance: 146 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 00m |
| 40 mph (64.37 km/h) | 02h 15m |
| 50 mph (80.47 km/h) | 01h 48m |
| 60 mph (96.56 km/h) | 01h 30m |
| 70 mph (112.65 km/h) | 01h 17m |
| 80 mph (129 km/h) | 01h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.29 | $13.70 | $27.40 |
| Mid-grade | $4.88 | $15.58 | $31.16 |
| Premium | $5.34 | $17.03 | $34.05 |
| Diesel | $6.35 | $20.26 | $40.53 |
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