How far is Portland, ME, from Cairns?

The distance between Cairns (Cairns Airport) and Portland (Portland International Jetport) is 9639 miles / 15513 kilometers / 8376 nautical miles.

Distance from Cairns to Portland

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

Vincenty's formula (applied above)

• 9639.044 miles
• 15512.537 kilometers
• 8376.100 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

• 9637.278 miles
• 15509.695 kilometers
• 8374.565 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 Cairns to Portland?

The estimated flight time from Cairns Airport to Portland International Jetport is 18 hours and 45 minutes.

What is the time difference between Cairns and Portland?

The time difference between Cairns and Portland is 15 hours. Portland is 15 hours behind Cairns.

Flight carbon footprint between Cairns Airport (CNS) and Portland International Jetport (PWM)

On average, flying from Cairns to Portland generates about 1 245 kg of CO2 per passenger, and 1 245 kilograms equals 2 745 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cairns to Portland

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

Airport information

Origin	Cairns Airport
City:	Cairns
Country:	Australia
IATA Code:	CNS
ICAO Code:	YBCS
Coordinates:	16°53′8″S, 145°45′18″E

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