How far is Sainyabuli from Simao?

The distance between Simao (Pu'er Simao Airport) and Sainyabuli (Sayaboury Airport) is 249 miles / 401 kilometers / 216 nautical miles.

The driving distance from Simao (SYM) to Sainyabuli (ZBY) is 416 miles / 669 kilometers, and travel time by car is about 8 hours 13 minutes.

Distance from Simao to Sainyabuli

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

Vincenty's formula (applied above)

• 248.968 miles
• 400.676 kilometers
• 216.348 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

• 249.987 miles
• 402.315 kilometers
• 217.233 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 Simao to Sainyabuli?

The estimated flight time from Pu'er Simao Airport to Sayaboury Airport is 58 minutes.

What is the time difference between Simao and Sainyabuli?

The time difference between Simao and Sainyabuli is 1 hour. Sainyabuli is 1 hour behind Simao.

Flight carbon footprint between Pu'er Simao Airport (SYM) and Sayaboury Airport (ZBY)

On average, flying from Simao to Sainyabuli generates about 62 kg of CO2 per passenger, and 62 kilograms equals 136 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Simao to Sainyabuli

See the map of the shortest flight path between Pu'er Simao Airport (SYM) and Sayaboury Airport (ZBY).

Airport information

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

Destination	Sayaboury Airport
City:	Sainyabuli
Country:	Laos
IATA Code:	ZBY
ICAO Code:	VLSB
Coordinates:	19°14′36″N, 101°42′33″E