How far is Blountville, TN, from Porto?

The distance between Porto (Porto Airport) and Blountville (Blountville Tri-Cities Regional Airport) is 3868 miles / 6225 kilometers / 3361 nautical miles.

Distance from Porto to Blountville

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

Vincenty's formula (applied above)

• 3868.067 miles
• 6225.050 kilometers
• 3361.258 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

• 3858.815 miles
• 6210.160 kilometers
• 3353.218 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 Blountville?

The estimated flight time from Porto Airport to Blountville Tri-Cities Regional Airport is 7 hours and 49 minutes.

What is the time difference between Porto and Blountville?

The time difference between Porto and Blountville is 5 hours. Blountville is 5 hours behind Porto.

Flight carbon footprint between Porto Airport (OPO) and Blountville Tri-Cities Regional Airport (TRI)

On average, flying from Porto to Blountville generates about 440 kg of CO2 per passenger, and 440 kilograms equals 970 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Porto to Blountville

See the map of the shortest flight path between Porto Airport (OPO) and Blountville Tri-Cities Regional Airport (TRI).

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	Blountville Tri-Cities Regional Airport
City:	Blountville, TN
Country:	United States
IATA Code:	TRI
ICAO Code:	KTRI
Coordinates:	36°28′30″N, 82°24′26″W