How far is Roi Et from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Roi Et (Roi Et Airport) is 8547 miles / 13756 kilometers / 7428 nautical miles.

Distance from St Louis to Roi Et

There are several ways to calculate the distance from St Louis to Roi Et. Here are two standard methods:

Vincenty's formula (applied above)

• 8547.477 miles
• 13755.831 kilometers
• 7427.555 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

• 8537.060 miles
• 13739.067 kilometers
• 7418.502 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 St Louis to Roi Et?

The estimated flight time from St. Louis Lambert International Airport to Roi Et Airport is 16 hours and 40 minutes.

What is the time difference between St Louis and Roi Et?

The time difference between St Louis and Roi Et is 13 hours. Roi Et is 13 hours ahead of St Louis.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Roi Et Airport (ROI)

On average, flying from St Louis to Roi Et generates about 1 079 kg of CO2 per passenger, and 1 079 kilograms equals 2 379 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from St Louis to Roi Et

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Roi Et Airport (ROI).

Airport information

Origin	St. Louis Lambert International Airport
City:	St Louis, MO
Country:	United States
IATA Code:	STL
ICAO Code:	KSTL
Coordinates:	38°44′55″N, 90°22′12″W

Destination	Roi Et Airport
City:	Roi Et
Country:	Thailand
IATA Code:	ROI
ICAO Code:	VTUV
Coordinates:	16°7′0″N, 103°46′26″E