Watertown
Watertown
Portland
Portland
Train Driving

Watertown to Portland

Updated: 28 May 2026

The journey from Watertown to Portland covers approximately 105 miles along the Atlantic coast. Most travelers prefer driving via I-95 North, which takes about two hours depending on Boston traffic. Alternatively, you can take the MBTA Commuter Rail to North Station and transfer to the Amtrak Downeaster. This route is famous for its scenic views of the New Hampshire and Maine coastlines. Expect heavy congestion near the Tobin Bridge during weekday rush hours. Portland offers a vibrant culinary scene and historic waterfront access.

Total Distance: 170 km driving distance; 155 km straight-line air distance.
Fastest Way
Driving via I-95 North is the fastest, typically taking 2 hours without heavy traffic.
Cheapest Way
Driving is the cheapest for groups of two or more, costing roughly $30 in fuel and tolls.
Compare Watertown to Portland Routes
Train
Direct from North Station
Driving
Direct
Duration 3 hours 15 mins 2 hours
Avg Price $30-$60 $25-$40 in fuel
Operator Amtrak Downeaster Personal Vehicle
Route Boston North Station to Portland Transportation Center. I-95 North through New Hampshire and Maine.
Tip Book tickets in advance on the Amtrak website to secure lower fares. Use the E-ZPass transponder to save time at the Hampton toll plaza.
Travel Tips
  • Avoid Rush Hour
    Try to leave Watertown before 2 PM on Fridays to avoid the massive exodus of Bostonians heading north.
  • Parking in Portland
    Use the Fore Street Garage for central access to the Old Port area.
  • Train Connectivity
    The Portland Transportation Center is a few miles from downtown; use a rideshare service to reach the waterfront.
  • Dining Reservations
    Portland restaurants are popular; book your dinner table at least a week in advance.
  • Weather Prep
    Coastal Maine can be windy and chilly even in summer; always pack a light windbreaker.
Safety Tips
  • Winter Driving
    I-95 can become icy quickly; ensure your vehicle has winter tires if traveling between November and March.
  • Wildlife
    Be cautious of moose and deer crossing the highway, especially during dawn and dusk in rural Maine.
  • Pedestrian Safety
    The Old Port has narrow streets with high foot traffic; watch for pedestrians at all times.
  • Emergency Services
    Cell service is generally reliable along I-95, but keep a physical map for remote coastal areas.
People Also Ask
  • Is there a direct bus from Watertown to Portland?
    No, you must travel to Boston South Station to catch a Concord Coach Lines bus.
  • How much is the train ticket?
    Amtrak Downeaster fares typically range from $30 to $60 depending on how far in advance you book.
  • Is Portland walkable?
    Yes, the downtown and Old Port areas are highly walkable, though hilly in some sections.
  • What is the best highway to take?
    I-95 North is the primary and most efficient route for this journey.
  • Are there tolls on this route?
    Yes, there are tolls in New Hampshire and Maine; E-ZPass is highly recommended.
Quick Info
  • From Watertown, Massachusetts, United States
  • To Portland, Maine, United States
  • Modes
Best Time to Travel

September and October for fall foliage and mild coastal temperatures.

Things to Do in Portland
1
Old Port District
Walk the cobblestone streets lined with 19th-century brick buildings. It is the heart of Portland's shopping and dining scene.
2
Portland Head Light
Located in Cape Elizabeth, this is one of the most photographed lighthouses in the country. It offers stunning views of the rocky Atlantic coast.
3
Casco Bay Lines
Take a ferry ride to the nearby islands like Peaks Island. It provides a unique perspective of the harbor and surrounding islands.
4
Portland Museum of Art
Explore an extensive collection of fine art, including works by Winslow Homer. It is located in the downtown arts district.
Tags
Watertown to Portland drive Boston to Portland bus Amtrak Downeaster route Maine travel guide I-95 North travel Portland Maine weekend trip Watertown transport options New England road trip
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