Distance: Lewiston to Portsmouth
Distance between Lewiston and Portsmouth in kilometers, miles and nautical miles.
5,073 km
Straight-line
great-circle
2,739 nm
Nautical Miles
as the crow flies
6,849 km
By Road
85h 37m
6h 48m
By Air
flight time
Need a transfer near Portsmouth?
Fixed-price airport transfers, no hidden fees.
More Trip Calculations
Explore by City
Frequently Asked Questions
How far is Lewiston from Portsmouth?
The straight-line distance from Lewiston to Portsmouth is 5073 km (2739 nautical miles). By road it is approximately 6849 km (85h 37m drive). By air the flight takes about 6h 48m.
How many nautical miles is it from Lewiston to Portsmouth?
The nautical distance from Lewiston to Portsmouth is approximately 2739 nautical miles.