The drive from City of Portland, ME to Caribou, ME covers 304 miles and takes about 6h 13m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Maine Turnpike, I 295, Houlton Road for much of the mileage,
and the overall profile is highway-focused drive.
The longest uninterrupted segment is about 198.3 miles on Maine Turnpike.
At current regular gas prices, budget about $48.66 one way before food or hotel costs.
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
152 miles from City of Portland, ME
A natural place for your longest stop of the day
, about 3h 5m into the drive
.