How far is Chester, NH from Portsmouth, NH?
The driving distance from Chester, NH to Portsmouth, NH is about 36.2 miles (58.2 km), with a travel time of about 00h 42m by car.
- The straight-line flight distance is about 26.6 miles (42.8 km).
- For a round trip, plan for roughly 01h 24m 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 42m.
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 Rockingham County, New Hampshire, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Chester and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chester and Portsmouth.
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1
Start on the route
100 m · 25 sec
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2
At the end of the road, turn right onto Chester Street
47 m · 13 sec · Chester Street
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3
Turn left onto Raymond Road
4.2 mi · 8 min · Raymond Road
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4
Continue on Chester Road
2.5 mi · 5 min · Chester Road
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5
Continue on Freetown Road
1.3 km · 2 min · Freetown Road
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6
Take the ramp slight right toward NH 101 East
2893 ft · 1 min
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7
Merge slight left
16.3 mi · 19 min
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8
Take the exit slight right toward I 95: Portsmouth, Boston
1.3 km · 2 min
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9
Keep slight left to continue on I 95 North: Portsmouth, Maine, Pease International Tradeport
2454 ft · 1 min
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10
Continue straight
1816 ft · 44 sec
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11
Merge slight left onto Blue Star Turnpike
7 mi · 8 min · Blue Star Turnpike
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12
Keep slight right to continue on Blue Star Turnpike
1.9 mi · 3 min · Blue Star Turnpike
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13
Take the exit slight right
1313 ft · 35 sec
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14
Turn right onto Market Street
1 mi · 3 min · Market Street
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15
At the end of the road, turn right onto Congress Street
16 m · 1 sec · Congress Street
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16
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Chester 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.
NH 101 East
Merge slight left
16.3 mi · 00h 19m
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.
Sunny leaving Chester 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 Chester to Portsmouth?
The road trip is about 36.2 miles (58.2 km) and usually takes 00h 42m 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?
Exeter is a useful midpoint, sitting about 18.1 miles from Chester and 18.1 miles from Portsmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 26.6 miles (42.8 km), while the road route adds roughly 9.6 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 7:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.50 one way or $10.99 round trip. Estimated CO2 is about 11.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Chester and Mostly Sunny near Portsmouth.
Stop Ideas Near Exeter
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 Exeter.
Exeter station
Portsmouth, New Hampshire
Durham–UNH station
Newburyport, Massachusetts
Flight Path Map
This map shows the direct air route between Chester and Portsmouth. Straight-line distance: 26.57 mi (42.76 km).
#1 Chester
Human settlement in Rockingham County, New Hampshire, United States of America
| Population | 5,278 |
| Coordinates | 42.9567500, -71.2572800 |
| Altitude | 139 |
| 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: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 12m |
| 40 mph (64.37 km/h) | 00h 54m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 36m |
| 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 | $4.29 | $5.50 | $10.99 |
| Mid-grade | $4.88 | $6.25 | $12.50 |
| Premium | $5.34 | $6.83 | $13.66 |
| Diesel | $6.35 | $8.13 | $16.26 |
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