How far is Portsmouth, NH from Barrington, NH?
The driving distance from Portsmouth, NH to Barrington, NH is about 20.6 miles (33.1 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 17.7 miles (28.5 km).
- For a round trip, plan for roughly 01h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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.
This is an easy same-day return drive.
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 00h 35m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
County seat city in Strafford County, New Hampshire, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Portsmouth and Barrington.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portsmouth and Barrington.
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1
Start on Congress Street
954 ft · 34 sec · Congress Street
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2
Turn right onto Maplewood Avenue
1.1 km · 2 min · Maplewood Avenue
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3
Turn left onto Cutts Street
139 m · 16 sec · Cutts Street
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4
Turn slight right
1 km · 1 min
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5
Exit the rotary onto NH 16 North: Concord, Rochester
2261 ft · 51 sec
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6
Take the exit straight
961 ft · 15 sec
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7
Keep slight left to continue on Spaulding Turnpike North, NH 16 North, US 4 West
1364 ft · 21 sec
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8
Merge slight left onto Spaulding Turnpike
8.9 mi · 12 min · Spaulding Turnpike
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9
Take the exit slight right toward NH 9 West, NH 155 West: Madbury
803 ft · 27 sec
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10
Turn slight right onto Knox Marsh Road
1310 ft · 23 sec · Knox Marsh Road
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11
Turn right onto Littleworth Road
4.5 mi · 8 min · Littleworth Road
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12
Continue on Franklin Pierce Highway
4.1 mi · 8 min · Franklin Pierce Highway
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13
Keep slight left to continue on Franklin Pierce Highway
590 ft · 13 sec · Franklin Pierce Highway
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14
Arrive at your destination
0 m · 1 sec · Franklin Pierce Highway
Car Route Details
A richer read on the saved driving route between Portsmouth and Barrington.
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.
Spaulding Turnpike
Merge slight left onto Spaulding Turnpike
8.9 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Slight Chance Rain Showers then Partly Sunny leaving Portsmouth and Partly Sunny near Barrington.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portsmouth to Barrington?
The road trip is about 20.6 miles (33.1 km) and usually takes 00h 35m 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?
Dover is a useful midpoint, sitting about 10.3 miles from Portsmouth and 10.3 miles from Barrington.
How much longer is the road route than the straight-line distance?
The direct path is about 17.7 miles (28.5 km), while the road route adds roughly 2.9 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 7:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.88 one way or $5.76 round trip. Estimated CO2 is about 6.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Partly Sunny around Portsmouth and Partly Sunny near Barrington.
Stop Ideas Near Dover
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Dover City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dover.
Dover Transportation Center
Durham–UNH station
Portsmouth, New Hampshire
Exeter station
Flight Path Map
This map shows the direct air route between Portsmouth and Barrington. Straight-line distance: 17.73 mi (28.53 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 Barrington
Town in Strafford County, New Hampshire, United States
| Population | 9,231 |
| Coordinates | 43.2228600, -71.0470100 |
| Altitude | 116 |
| Country | United States |
End: Barrington (-71.04701, 43.22286)
Estimated Travel Time
Distance: 33 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 41m |
| 40 mph (64.37 km/h) | 00h 30m |
| 50 mph (80.47 km/h) | 00h 24m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $2.88 | $5.76 |
| Mid-grade | $4.46 | $3.25 | $6.51 |
| Premium | $4.86 | $3.55 | $7.09 |
| Diesel | $6.00 | $4.38 | $8.76 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.