How far is Auburn, NH from Portsmouth, NH?
The driving distance from Auburn, NH to Portsmouth, NH is about 41.1 miles (66.2 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 30.3 miles (48.7 km).
- For a round trip, plan for roughly 01h 23m 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 41m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Showers And Thunderstorms Likely
Patchy Fog then Isolated Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Auburn and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Auburn and Portsmouth.
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1
Start on Hooksett Road
1.7 mi · 4 min · Hooksett Road
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2
Take the ramp slight right
1778 ft · 43 sec
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3
Merge slight left
27.3 mi · 32 min
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4
Take the exit slight right toward I 95: Portsmouth, Boston
1.3 km · 2 min
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5
Keep slight left to continue on I 95 North: Portsmouth, Maine, Pease International Tradeport
2454 ft · 1 min
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6
Continue straight
1816 ft · 44 sec
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7
Merge slight left onto Blue Star Turnpike
7 mi · 8 min · Blue Star Turnpike
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8
Keep slight right to continue on Blue Star Turnpike
1.9 mi · 3 min · Blue Star Turnpike
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9
Take the exit slight right
1313 ft · 35 sec
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10
Turn right onto Market Street
1 mi · 3 min · Market Street
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11
At the end of the road, turn right onto Congress Street
16 m · 1 sec · Congress Street
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12
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Auburn 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.
Hooksett Road
Merge slight left
27.3 mi · 00h 32m
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.
Patchy Fog then Showers And Thunderstorms Likely leaving Auburn and Patchy Fog then Isolated Showers And Thunderstorms near Portsmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Auburn to Portsmouth?
The road trip is about 41.1 miles (66.2 km) and usually takes 00h 41m 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?
Epping is a useful midpoint, sitting about 20.6 miles from Auburn and 20.6 miles from Portsmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 30.3 miles (48.7 km), while the road route adds roughly 10.8 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 7:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.72 one way or $11.44 round trip. Estimated CO2 is about 12.9 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog then Showers And Thunderstorms Likely around Auburn and Patchy Fog then Isolated Showers And Thunderstorms near Portsmouth.
Stop Ideas Near Epping
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 Epping.
Exeter station
Durham–UNH station
Portsmouth, New Hampshire
Dover Transportation Center
Flight Path Map
This map shows the direct air route between Auburn and Portsmouth. Straight-line distance: 30.25 mi (48.68 km).
#1 Auburn
Town in the U.
| Population | 5,626 |
| Coordinates | 43.0045300, -71.3484000 |
| Altitude | 78 |
| 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: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 22m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.72 | $11.44 |
| Mid-grade | $4.46 | $6.46 | $12.93 |
| Premium | $4.86 | $7.04 | $14.09 |
| Diesel | $6.00 | $8.70 | $17.39 |
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 · Jun 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.