How far is Roi Et from Sanya?

The distance between Sanya (Sanya Phoenix International Airport) and Roi Et (Roi Et Airport) is 402 miles / 647 kilometers / 349 nautical miles.

The driving distance from Sanya (SYX) to Roi Et (ROI) is 1140 miles / 1834 kilometers, and travel time by car is about 26 hours 49 minutes.

Distance from Sanya to Roi Et

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

Vincenty's formula (applied above)

• 401.777 miles
• 646.597 kilometers
• 349.134 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

• 401.556 miles
• 646.242 kilometers
• 348.943 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 Sanya to Roi Et?

The estimated flight time from Sanya Phoenix International Airport to Roi Et Airport is 1 hour and 15 minutes.

What is the time difference between Sanya and Roi Et?

The time difference between Sanya and Roi Et is 1 hour. Roi Et is 1 hour behind Sanya.

Flight carbon footprint between Sanya Phoenix International Airport (SYX) and Roi Et Airport (ROI)

On average, flying from Sanya to Roi Et generates about 84 kg of CO2 per passenger, and 84 kilograms equals 186 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Sanya Phoenix International Airport (SYX) and Roi Et Airport (ROI).

Airport information

Origin	Sanya Phoenix International Airport
City:	Sanya
Country:	China
IATA Code:	SYX
ICAO Code:	ZJSY
Coordinates:	18°18′10″N, 109°24′43″E

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