Augusta, Maine to Portsmouth, New Hampshire: Road Trip Guide & Distance

98.2 miles 158.1 km · straight line
122.8 miles estimated 197.6 km · driving distance
2h 28min estimated drive time
$12 - $15 estimated fuel cost
~42min flight time · usually no direct flights
210° SSW bearing direction

How far is Augusta, Maine from Portsmouth, New Hampshire?

The distance from Augusta, Maine to Portsmouth, New Hampshire is 98.2 miles (158.1 km) as the crow flies. Portsmouth, New Hampshire is located SSW of Augusta, Maine. By car, the driving distance is approximately 122.8 miles, taking about 2h 28min. A direct flight would take roughly 42min. Both are located in United States — Augusta, Maine in Maine and Portsmouth, New Hampshire in New Hampshire.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Augusta, Maine and Portsmouth, New Hampshire. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Augusta, Maine to Portsmouth, New Hampshire

Method Time Est. Cost Best For
Drive 2h 28min $12 - $15 Flexible stops
Bus ~2h 58min $10–$18* Budget
Train ~2h 21min $15–$43* Comfort

Suggested Stops Between Augusta, Maine & Portsmouth, New Hampshire

Quick Facts

Augusta, Maine
44.31°N, 69.78°W
America/New_York
38m elevation
Portsmouth, New Hampshire
43.08°N, 70.76°W
America/New_York
6m elevation
Explore more routes from Portsmouth, New Hampshire

Did You Know?

  • At walking speed (3 mph), it would take about 33 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 8 hours
  • You could travel this distance about 253.5 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients