Spanning 226.9 miles across the Northeast, this journey from South Portland to Calais typically takes about 4 hours and 38 minutes of drive time. Because the route relies on local roads like Broadway, York Street, and the Casco Bay Bridge rather than major interstates, it functions best as a focused, one-day trip. Budget approximately $36 for fuel to cover the distance between these two Maine points. While the duration is manageable for a single day, the turn-heavy nature of the path means you should plan for a steady pace. It is a straightforward trek through the state, ideal for travelers who prefer local roads over the monotony of highway driving.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
113.5 miles from South Portland, ME
A natural place for your longest stop of the day
, about 2h 8m into the drive
.
Main Roads
Road
Distance
Duration
I 395
90.1 mi
2h 3m
Maine Turnpike
79.2 mi
1h 25m
I 295
46.8 mi
53m
Route 1
2.6 mi
2m
Baring Street
2.4 mi
2m
North Street
1.3 mi
2m
Casco Bay Bridge
1.1 mi
1m
Broadway
1 mi
1m
Longest stretch:
I 395
— 90.1 mi, about 2h 3m
Turn-by-Turn Driving Directions
Step-by-step road directions between South Portland, ME and Calais, ME.
1
Start on Pine Street
60 ft·9 sec·Pine Street
2
Turn sharp left onto Broadway
1.0 mi·1 min·Broadway
3
Continue on ME 77
1.1 mi·1 min·Casco Bay Bridge
4
Turn straight onto ME 77
0.1 mi·18 sec·York Street
5
Turn left onto ME 77
0.9 mi·1 min·High Street
6
Take the ramp
0.3 mi·32 sec
Toward I 295 North, US 1 North: Falmouth
7
Merge onto I 295; US 1
47 mi·53 min·I 295; US 1
Use the straight / slight right lanes.
8
Merge onto I 95
79 mi·1 hr 25 min·Maine Turnpike
9
Take the exit
0.4 mi·48 sec
Exit 182AToward I 395 South, ME 15 South: Bangor, Brewer
10
Merge onto I 395; ME 15
0.7 mi·55 sec·I 395; ME 15
11
Continue on I 395; ME 9; ME 15
89 mi·2 hr 2 min·I 395; ME 9; ME 15
12
Continue on US 1; ME 9
0.2 mi·13 sec·Houlton Road
13
Continue on US 1; ME 9
2.6 mi·2 min·Route 1
14
Continue on US 1; ME 9
1.9 mi·2 min·Baring Street
15
Enter roundabout onto US 1; ME 9
67 ft·0 sec·Baring Street
16
Continue on US 1; ME 9
0.5 mi·45 sec·Baring Street
17
Continue on US 1; ME 9
1.3 mi·2 min·North Street
18
Turn right onto Lincoln Street
0.3 mi·1 min·Lincoln Street
19
Turn left onto Germain Street
448 ft·19 sec·Germain Street
20
Arrive at destination
Germain Street
Trip Plan
To make the most of your 4-hour and 38-minute drive, plan for at least one dedicated stop to break up the local road segments. Since the route is entirely local, departure times are flexible, but leaving early helps you navigate through towns when traffic is lighter. Keep your fuel budget of $36 in mind as you map out your stops, ensuring you don't pass up gas stations in more remote stretches of the route. A helpful tip for this specific drive is to stay alert at intersections and turns, as the reliance on local roads like Broadway and York Street means you will be making frequent navigational changes. Use the lack of highway miles to your advantage by pacing yourself and enjoying the thoroughfare at a comfortable, steady speed.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 113.5 miles from South Portland, ME, or about 2h 8m into the drive.
The longest continuous stretch on this route runs about 90.1 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 50 miles or 59m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 113.5 miles or 2h 8m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 43m
Traffic, exits, and arrival timing usually matter more near Calais, ME than in the middle of the route.
Before You Leave
+
Open the route before leaving South Portland, ME so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from South Portland, ME
This is one driving day of about 226.9 miles and 4h 38m.
Your first comfortable stop window is around 50 miles from South Portland, ME.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 395 for about 90.1 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 10
5 decision points cluster between mile 0 and 226.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0 mi into trip|~0m in|Broadway
Turn sharp left onto Broadway
Sharp turn - reduce speed on approach
4
3.1 mi into trip|~5m in
Take the ramp toward I 295 North, US 1 North: Falmouth
Multiple destination signs - pick the right one
Toward I 295 North, US 1 North: Falmouth
5
3.4 mi into trip|~6m in|I 295; US 1
Merge onto I 295; US 1
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
129.5 mi into trip|~2h 25m in
Take the exit toward I 395 South, ME 15 South: Bangor, Brewer
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 182A
Toward I 395 South, ME 15 South: Bangor, Brewer
5
226.8 mi into trip|~4h 38m in|Germain Street
Turn left onto Germain Street
Navigation decision point
Fuel & Cost
Regular Gas
$36.53 one way
$73.05 round trip
$4.09/gal25.4 MPG avg79 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.50
$40.19
$80.38
premium
$4.86
$43.45
$86.90
diesel
$5.61
$50.10
$100.19
Estimated Tolls: $11.75
Bay Bridge
$7.00
Maine Turnpike
(79.2 mi)$4.75
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$37
Tolls
$12
Meals
$25–$50
Total
$73–$98
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 79.4 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $24 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
68.1
0
$23.82
$10.89
Efficient EV
56.7
0
$19.85
$9.08
EV Truck/SUV
90.8
1
$31.77
$14.52
Gas CO2
79 kg
EV CO2
27 kg (66% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 18, 2026
Origin
South Portland, ME
Night
in South Portland on Saturday
Local time
9:21 PM
EDT
Current temp
51°F
Areas Of Fog then Mostly Cloudy
E 5 to 10 mph8% chanceLive forecast
Destination
Calais, ME
Night
in Calais on Saturday
Local time
9:21 PM
EDT
Current temp
34°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
17 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 38m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Frances Perkins National Monument
National Monument
Known as the first woman to hold a presidential cabinet position and the “Woman behind the New Deal,” Frances Perkins championed many labor rights that Americans enjoy today, including safety standard...
17 mi from route
~41 min detour
Free
near mile 39.1
Acadia National Park protects the natural beauty of the highest rocky headlands along the Atlantic coastline of the United States, an abundance of habitats, and a rich cultural heritage. At 4 million...
29 mi from route
~73 min detour
$6
near mile 164.3
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a hands-on experience behind the wheel, as this 226.9-mile route is characterized by technical, turn-heavy local driving rather than high-speed cruising. With a highway share of 0%, you will navigate through various local corridors and connector streets instead of open interstate stretches. The road requires your full attention as you transition off the Casco Bay Bridge and onto the series of local roads that define the journey. Because there are no long, uninterrupted highway segments, the drive demands a more active driving style than a typical cross-country trip. You will find the road’s personality remains consistent, favoring local navigation over rapid transit.
96% highway — fuel and pacing are the main things to plan.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 90.1 mi on I 395.
How Hard Is This Drive?
3/10
This is a straightforward highway drive that stays mostly on I 395 and Maine Turnpike. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near Broadway.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 38m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (Broadway): Sharp turn - reduce speed on approach; at 3.1 miles: Multiple destination signs - pick the right one; at 3.4 miles (I 295; US 1): Merge point - match speed before joining. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from South Portland, ME to Calais, ME, road signs begin pointing toward Brewer along the way.
Brewer
129.5 mi in|~2h 25m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 4h 38m. Total distance: 226.9 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
The longest stretch is about 90.1 miles on I 395. The full list of main roads is in the Roads section above.
Expect about $11.75 in tolls one way, starting with Bay Bridge. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
Mostly yes along the main roads, but rural stretches through ME can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: near the start (Broadway): Sharp turn - reduce speed on approach; at 3.1 miles: Multiple destination signs - pick the right one; at 3.4 miles (I 295; US 1): Merge point - match speed before joining. Lane positioning matters here.
Yes — Frances Perkins National Monument and Acadia National Park. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 4.6 hours each way, an in-and-out day trip would put you behind the wheel for 9.3 hours — manageable with a long break at Calais, ME, but most travelers stay overnight.
