How far is Brookline, NH from Portsmouth, NH?
The driving distance from Brookline, NH to Portsmouth, NH is about 70.5 miles (113.5 km), with a travel time of about 01h 17m by car.
- The straight-line flight distance is about 51.3 miles (82.6 km).
- For a round trip, plan for roughly 02h 35m 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 17m.
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 Rockingham County, New Hampshire, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Brookline and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brookline and Portsmouth.
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1
Start on Steam Mill Hill Road
854 ft · 29 sec · Steam Mill Hill Road
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2
Turn right onto Main Street
743 ft · 21 sec · Main Street
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3
Continue on Milford Street
1.2 mi · 3 min · Milford Street
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4
Turn right onto Route 13
3.4 mi · 5 min · Route 13
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5
Continue on NH Route 13
1.6 mi · 3 min · NH Route 13
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6
Take the ramp slight right
1996 ft · 55 sec
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7
Merge slight left
7.4 mi · 11 min
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8
Continue straight
6.3 mi · 10 min
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9
Take the exit slight right
6.9 mi · 9 min
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10
Keep slight right to continue on NH 101 East: Portsmouth, Seacoast
31.3 mi · 37 min
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11
Take the exit slight right toward I 95: Portsmouth, Boston
1.3 km · 2 min
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12
Keep slight left to continue on I 95 North: Portsmouth, Maine, Pease International Tradeport
2454 ft · 1 min
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13
Continue straight
1816 ft · 44 sec
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14
Merge slight left onto Blue Star Turnpike
7 mi · 8 min · Blue Star Turnpike
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15
Keep slight right to continue on Blue Star Turnpike
1.9 mi · 3 min · Blue Star Turnpike
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16
Take the exit slight right
1313 ft · 35 sec
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17
Turn right onto Market Street
1 mi · 3 min · Market Street
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18
At the end of the road, turn right onto Congress Street
16 m · 1 sec · Congress Street
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19
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Brookline and Portsmouth.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
NH 101 East
Keep slight right to continue on NH 101 East: Portsmouth, Seacoast
31.3 mi · 00h 37m
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.
Sunny leaving Brookline 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 Brookline to Portsmouth?
The road trip is about 70.5 miles (113.5 km) and usually takes 01h 17m 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?
Candia is a useful midpoint, sitting about 35.2 miles from Brookline and 35.3 miles from Portsmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 51.3 miles (82.6 km), while the road route adds roughly 19.2 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 3:54 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.69 one way or $21.38 round trip. Estimated CO2 is about 22.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Brookline and Mostly Sunny near Portsmouth.
Stop Ideas Near Candia
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 Candia.
Manchester, New Hampshire
Concord, New Hampshire
Durham–UNH station
Exeter station
Flight Path Map
This map shows the direct air route between Brookline and Portsmouth. Straight-line distance: 51.34 mi (82.62 km).
#1 Brookline
Town in Hillsborough County, New Hampshire, United States
| Population | 5,495 |
| Coordinates | 42.7348100, -71.6581300 |
| Altitude | 88 |
| 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: 113 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 20m |
| 40 mph (64.37 km/h) | 01h 45m |
| 50 mph (80.47 km/h) | 01h 24m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.29 | $10.69 | $21.38 |
| Mid-grade | $4.88 | $12.16 | $24.32 |
| Premium | $5.34 | $13.29 | $26.58 |
| Diesel | $6.35 | $15.82 | $31.63 |
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