How far is Portsmouth, NH from Brookline, NH?
The driving distance from Portsmouth, NH to Brookline, NH is about 70 miles (112.6 km), with a travel time of about 01h 35m by car.
- The straight-line flight distance is about 51.3 miles (82.6 km).
- For a round trip, plan for roughly 03h 11m 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 35m.
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.
Slight Chance Rain Showers then Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Portsmouth and Brookline.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portsmouth and Brookline.
-
1
Start on Congress Street
124 m · 15 sec · Congress Street
-
2
Turn right onto Fleet Street
141 m · 17 sec · Fleet Street
-
3
Turn right onto Hanover Street
662 ft · 27 sec · Hanover Street
-
4
At the end of the road, turn left onto Market Street
1 mi · 3 min · Market Street
-
5
Take the ramp left toward I 95 South: Hampton, Boston
1468 ft · 36 sec
-
6
Merge slight left
8.8 mi · 11 min
-
7
Take the exit slight right toward NH 101: Hampton, Manchester
3185 ft · 1 min
-
8
Keep slight right to continue on 101 West: Manchester, Concord, Exeter
2083 ft · 51 sec
-
9
Merge slight left onto Exeter-Hampton Expressway
32.4 mi · 38 min · Exeter-Hampton Expressway
-
10
Keep slight right to continue on I 293 North, NH 101 West: Manchester Airport, Manchester, Bedford
3.3 mi · 4 min
-
11
Keep slight left to continue on NH 101 West: Bedford, Nashua
2.2 mi · 3 min
-
12
Turn left
2229 ft · 49 sec
-
13
Continue straight
13.4 mi · 20 min
-
14
Take the exit slight right toward NH 13: Milford, Brookline
1631 ft · 45 sec
-
15
Turn left onto NH Route 13
1.7 mi · 3 min · NH Route 13
-
16
Continue on Route 13
3.4 mi · 5 min · Route 13
-
17
Turn left onto Milford Street
1.2 mi · 3 min · Milford Street
-
18
Continue on Main Street
743 ft · 22 sec · Main Street
-
19
Turn left onto Steam Mill Hill Road
843 ft · 29 sec · Steam Mill Hill Road
-
20
Keep slight left to continue on Steam Mill Hill Road
3 m · 1 sec · Steam Mill Hill Road
-
21
Arrive at your destination
0 m · 1 sec · Steam Mill Hill Road
Car Route Details
A richer read on the saved driving route between Portsmouth and Brookline.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Exeter-Hampton Expressway
Merge slight left onto Exeter-Hampton Expressway
32.4 mi · 00h 38m
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 Partly Sunny leaving Portsmouth and Mostly Sunny near Brookline.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portsmouth to Brookline?
The road trip is about 70 miles (112.6 km) and usually takes 01h 35m 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 34.9 miles from Portsmouth and 35 miles from Brookline.
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 18.7 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 3:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.74 one way or $19.49 round trip. Estimated CO2 is about 22 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Partly Sunny around Portsmouth and Mostly Sunny near Brookline.
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 Portsmouth and Brookline. Straight-line distance: 51.34 mi (82.62 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 Brookline
Town in Hillsborough County, New Hampshire, United States
| Population | 5,495 |
| Coordinates | 42.7348100, -71.6581300 |
| Altitude | 88 |
| Country | United States |
End: Brookline (-71.65813, 42.73481)
Estimated Travel Time
Distance: 113 km by road
| Speed | Time |
|---|---|
| 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.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $9.74 | $19.49 |
| Mid-grade | $4.46 | $11.01 | $22.02 |
| Premium | $4.86 | $12.00 | $24.00 |
| Diesel | $6.00 | $14.81 | $29.63 |
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 · 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.