How far is Portsmouth, NH from Plaistow, NH?
The driving distance from Portsmouth, NH to Plaistow, NH is about 32.6 miles (52.5 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 23.8 miles (38.3 km).
- For a round trip, plan for roughly 01h 27m 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 43m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in New Hampshire, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Portsmouth and Plaistow.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portsmouth and Plaistow.
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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
9 mi · 11 min
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7
Keep slight left to continue on Blue Star Turnpike
7.7 mi · 9 min · Blue Star Turnpike
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8
Keep slight right to continue on I 495 South: Worcester
11.2 mi · 13 min
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9
Take the exit slight right toward MA 125: Plaistow New Hampshire, Haverhill
1093 ft · 29 sec
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10
Keep slight right to continue on MA 125 North: Plaistow New Hampshire
1198 ft · 41 sec
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11
Merge slight left onto Main Street
1.2 km · 2 min · Main Street
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12
Take the exit slight right toward Plaistow Road
49 m · 4 sec · Plaistow Road
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13
Merge slight left onto Plaistow Road
1354 ft · 39 sec · Plaistow Road
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14
Turn right onto Main Street
1.8 mi · 3 min · Main Street
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15
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Portsmouth and Plaistow.
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.
I 495 South
Keep slight right to continue on I 495 South: Worcester
11.2 mi · 00h 13m
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.
Mostly Sunny leaving Portsmouth and Sunny near Plaistow.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portsmouth to Plaistow?
The road trip is about 32.6 miles (52.5 km) and usually takes 00h 43m 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?
Seabrook is a useful midpoint, sitting about 16.3 miles from Portsmouth and 16.3 miles from Plaistow.
How much longer is the road route than the straight-line distance?
The direct path is about 23.8 miles (38.3 km), while the road route adds roughly 8.8 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 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.94 one way or $9.88 round trip. Estimated CO2 is about 10.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Portsmouth and Sunny near Plaistow.
Stop Ideas Near Seabrook
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Portsmouth City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Seabrook.
Newburyport, Massachusetts
Exeter station
Portsmouth, New Hampshire
Haverhill station
Flight Path Map
This map shows the direct air route between Portsmouth and Plaistow. Straight-line distance: 23.81 mi (38.32 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 Plaistow
Town in New Hampshire
| Population | 7,735 |
| Coordinates | 42.8364800, -71.0947800 |
| Altitude | 31 |
| Country | United States |
End: Plaistow (-71.09478, 42.83648)
Estimated Travel Time
Distance: 52 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 05m |
| 40 mph (64.37 km/h) | 00h 48m |
| 50 mph (80.47 km/h) | 00h 39m |
| 60 mph (96.56 km/h) | 00h 32m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.29 | $4.94 | $9.88 |
| Mid-grade | $4.88 | $5.62 | $11.23 |
| Premium | $5.34 | $6.14 | $12.28 |
| Diesel | $6.35 | $7.30 | $14.61 |
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