Lewiston
Lewiston
Portsmouth
Portsmouth
Driving

Lewiston to Portsmouth

Updated: 28 May 2026

The drive from Lewiston to Portsmouth, New Hampshire, is approximately 85 miles and takes about 1 hour and 30 minutes via I-95 South. Portsmouth is a historic coastal city known for its vibrant downtown and maritime heritage. The route is straightforward and follows the coast. Ensure you have your E-ZPass for the tolls along the way.

Total Distance: 137 km driving distance; 115 km straight-line air distance.
Fastest Way
Driving via I-95 is the fastest, taking 1 hour 30 minutes.
Cheapest Way
Driving is the most practical and cost-effective method.
Compare Lewiston to Portsmouth Routes
Driving
Direct
Duration
1 hour 30 minutes
Avg Price
$22-$30 in fuel
Operator
Personal Vehicle
Route
I-95 South.

The drive is mostly highway; keep an eye on speed limits.

Travel Tips
  • Tolls
    The route involves tolls in Maine and New Hampshire; use E-ZPass.
  • Traffic
    Expect traffic near the Portsmouth city center during rush hour.
  • Parking
    Downtown Portsmouth has several public parking garages.
  • Navigation
    Use GPS to navigate the highway interchanges effectively.
  • Timing
    Travel mid-day to avoid the heaviest traffic on I-95.
Safety Tips
  • Speeding
    Observe speed limits, especially in construction zones on I-95.
  • Visibility
    Coastal fog can reduce visibility; use your low-beam headlights.
  • Road Conditions
    Check for winter weather alerts before departing.
  • Distractions
    Stay focused on the road during the highway drive.
People Also Ask
  • How long is the drive?
    It takes about 1 hour 30 minutes.
  • Is there a bus?
    Bus service is limited; driving is preferred.
  • Are there tolls?
    Yes, the route involves tolls.
  • What is the best route?
    I-95 is the standard path.
  • Is it safe?
    Yes, the route is well-maintained.
Quick Info
  • From Lewiston, Maine, United States
  • To Portsmouth, New Hampshire, United States
  • Modes
Best Time to Travel

Summer for coastal activities or fall for foliage.

Things to Do in Portsmouth
1
Strawbery Banke Museum
Explore this historic outdoor museum showcasing 300 years of history.
2
Prescott Park
Enjoy beautiful gardens and outdoor concerts along the Piscataqua River.
3
Market Square
Walk through the heart of downtown with its unique shops and restaurants.
4
Portsmouth Harbor Lighthouse
Visit this historic lighthouse located at the mouth of the harbor.
Tags
Lewiston to Portsmouth I-95 South Portsmouth NH travel New Hampshire coast Lewiston to Portsmouth drive Portsmouth NH Maine to New Hampshire travel guide