How far is Barnstead, NH from Portsmouth, NH?
The driving distance from Barnstead, NH to Portsmouth, NH is about 37.2 miles (59.9 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 32.2 miles (51.9 km).
- For a round trip, plan for roughly 01h 48m 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 00h 54m.
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.
Town 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 Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Barnstead and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Barnstead and Portsmouth.
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1
Start on Parade Road
1.6 mi · 4 min · Parade Road
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2
At the end of the road, turn right onto South Barnstead Road
4.1 mi · 7 min · South Barnstead Road
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3
Continue on Parker Mountain Road
5.6 mi · 10 min · Parker Mountain Road
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4
Continue on Parker Mountain Road
2.2 mi · 4 min · Parker Mountain Road
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5
Continue on NH 126
1.3 km · 2 min · NH 126
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6
Continue on Parker Mountain Road
1.1 mi · 2 min · Parker Mountain Road
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7
At the end of the road, turn left onto Washington Street
1008 ft · 19 sec · Washington Street
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8
Turn right onto Church Street
1.2 mi · 2 min · Church Street
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9
Turn straight onto Franklin Pierce Highway
4.1 mi · 8 min · Franklin Pierce Highway
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10
Continue on Littleworth Road
4.5 mi · 8 min · Littleworth Road
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11
Turn left onto Knox Marsh Road
142 m · 12 sec · Knox Marsh Road
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12
Take the ramp slight right
1240 ft · 42 sec
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13
Merge slight left onto Spaulding Turnpike
8.7 mi · 12 min · Spaulding Turnpike
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14
Take the exit slight left toward I 95 North
1.5 km · 2 min
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15
Enter the roundabout and take exit 3 toward Portsmouth Traffic Circle
692 ft · 20 sec
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16
Exit the rotary onto US 1 Bypass North: Portsmouth, Woodbury Avenue
1.6 km · 2 min
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17
Turn left onto Submarine Way
566 ft · 18 sec · Submarine Way
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18
Turn right onto Market Street
1 km · 2 min · Market Street
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19
At the end of the road, turn right onto Congress Street
16 m · 1 sec · Congress Street
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20
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Barnstead and Portsmouth.
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
8.65 mi · 00h 12m
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.
Slight Chance Rain Showers then Mostly Sunny leaving Barnstead and Mostly Sunny near Portsmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Barnstead to Portsmouth?
The road trip is about 37.2 miles (59.9 km) and usually takes 00h 54m 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?
Barrington is a useful midpoint, sitting about 18.6 miles from Barnstead and 18.6 miles from Portsmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 32.2 miles (51.9 km), while the road route adds roughly 5 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 4:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.17 one way or $10.34 round trip. Estimated CO2 is about 11.6 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Mostly Sunny around Barnstead and Mostly Sunny near Portsmouth.
Stop Ideas Near Barrington
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 Barrington.
Durham–UNH station
Dover Transportation Center
Portsmouth, New Hampshire
Exeter station
Flight Path Map
This map shows the direct air route between Barnstead and Portsmouth. Straight-line distance: 32.27 mi (51.94 km).
#1 Barnstead
City in Belknap County, New Hampshire, United States of America
| Population | 4,777 |
| Coordinates | 43.3339700, -71.2928400 |
| Altitude | 152 |
| Country | United States |
#2 Portsmouth
City in Rockingham County, New Hampshire, United States
| Population | 21,557 |
| Coordinates | 43.0770400, -70.7576600 |
| Altitude | 6 |
| Country | United States |
End: Congress Street (-70.757617, 43.077054)
Estimated Travel Time
Distance: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.17 | $10.34 |
| Mid-grade | $4.46 | $5.84 | $11.68 |
| Premium | $4.86 | $6.36 | $12.73 |
| Diesel | $6.00 | $7.86 | $15.71 |
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 · May 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.