How far is Kalispell, MT, from Porto?

The distance between Porto (Porto Airport) and Kalispell (Glacier Park International Airport) is 4782 miles / 7695 kilometers / 4155 nautical miles.

Distance from Porto to Kalispell

There are several ways to calculate the distance from Porto to Kalispell. Here are two standard methods:

Vincenty's formula (applied above)

• 4781.517 miles
• 7695.106 kilometers
• 4155.025 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

• 4768.614 miles
• 7674.341 kilometers
• 4143.813 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 Porto to Kalispell?

The estimated flight time from Porto Airport to Glacier Park International Airport is 9 hours and 33 minutes.

What is the time difference between Porto and Kalispell?

The time difference between Porto and Kalispell is 6 hours. Kalispell is 6 hours behind Porto.

Flight carbon footprint between Porto Airport (OPO) and Glacier Park International Airport (FCA)

On average, flying from Porto to Kalispell generates about 556 kg of CO2 per passenger, and 556 kilograms equals 1 225 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Porto to Kalispell

See the map of the shortest flight path between Porto Airport (OPO) and Glacier Park International Airport (FCA).

Airport information

Origin	Porto Airport
City:	Porto
Country:	Portugal
IATA Code:	OPO
ICAO Code:	LPPR
Coordinates:	41°14′53″N, 8°40′53″W

Destination	Glacier Park International Airport
City:	Kalispell, MT
Country:	United States
IATA Code:	FCA
ICAO Code:	KGPI
Coordinates:	48°18′37″N, 114°15′21″W