How far is Simao from Roi Et?

The distance between Roi Et (Roi Et Airport) and Simao (Pu'er Simao Airport) is 495 miles / 796 kilometers / 430 nautical miles.

The driving distance from Roi Et (ROI) to Simao (SYM) is 746 miles / 1200 kilometers, and travel time by car is about 15 hours 14 minutes.

Distance from Roi Et to Simao

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

Vincenty's formula (applied above)

• 494.554 miles
• 795.908 kilometers
• 429.756 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

• 496.366 miles
• 798.824 kilometers
• 431.331 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 Roi Et to Simao?

The estimated flight time from Roi Et Airport to Pu'er Simao Airport is 1 hour and 26 minutes.

What is the time difference between Roi Et and Simao?

The time difference between Roi Et and Simao is 1 hour. Simao is 1 hour ahead of Roi Et.

Flight carbon footprint between Roi Et Airport (ROI) and Pu'er Simao Airport (SYM)

On average, flying from Roi Et to Simao generates about 98 kg of CO2 per passenger, and 98 kilograms equals 216 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Roi Et to Simao

See the map of the shortest flight path between Roi Et Airport (ROI) and Pu'er Simao Airport (SYM).

Airport information

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

Destination	Pu'er Simao Airport
City:	Simao
Country:	China
IATA Code:	SYM
ICAO Code:	ZPSM
Coordinates:	22°47′35″N, 100°57′32″E