How far is Portland, ME, from Bonthe?

The distance between Bonthe (Sherbro International Airport) and Portland (Portland International Jetport) is 4268 miles / 6869 kilometers / 3709 nautical miles.

Distance from Bonthe to Portland

There are several ways to calculate the distance from Bonthe to Portland. Here are two standard methods:

Vincenty's formula (applied above)

• 4268.473 miles
• 6869.441 kilometers
• 3709.201 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 4268.635 miles
• 6869.702 kilometers
• 3709.342 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Bonthe to Portland?

The estimated flight time from Sherbro International Airport to Portland International Jetport is 8 hours and 34 minutes.

What is the time difference between Bonthe and Portland?

The time difference between Bonthe and Portland is 5 hours. Portland is 5 hours behind Bonthe.

Flight carbon footprint between Sherbro International Airport (BTE) and Portland International Jetport (PWM)

On average, flying from Bonthe to Portland generates about 490 kg of CO2 per passenger, and 490 kilograms equals 1 080 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Bonthe to Portland

See the map of the shortest flight path between Sherbro International Airport (BTE) and Portland International Jetport (PWM).

Airport information

Origin	Sherbro International Airport
City:	Bonthe
Country:	Sierra Leone
IATA Code:	BTE
ICAO Code:	GFBN
Coordinates:	7°31′56″N, 12°31′8″W

Destination	Portland International Jetport
City:	Portland, ME
Country:	United States
IATA Code:	PWM
ICAO Code:	KPWM
Coordinates:	43°38′46″N, 70°18′33″W