How far is Simao from Muang Xay?

The distance between Muang Xay (Oudomsay Airport) and Simao (Pu'er Simao Airport) is 160 miles / 257 kilometers / 139 nautical miles.

The driving distance from Muang Xay (ODY) to Simao (SYM) is 232 miles / 373 kilometers, and travel time by car is about 4 hours 17 minutes.

Distance from Muang Xay to Simao

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

Vincenty's formula (applied above)

• 159.728 miles
• 257.057 kilometers
• 138.800 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

• 160.243 miles
• 257.886 kilometers
• 139.247 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 Muang Xay to Simao?

The estimated flight time from Oudomsay Airport to Pu'er Simao Airport is 48 minutes.

What is the time difference between Muang Xay and Simao?

The time difference between Muang Xay and Simao is 1 hour. Simao is 1 hour ahead of Muang Xay.

Flight carbon footprint between Oudomsay Airport (ODY) and Pu'er Simao Airport (SYM)

On average, flying from Muang Xay to Simao generates about 49 kg of CO2 per passenger, and 49 kilograms equals 107 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Muang Xay to Simao

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

Airport information

Origin	Oudomsay Airport
City:	Muang Xay
Country:	Laos
IATA Code:	ODY
ICAO Code:	VLOS
Coordinates:	20°40′57″N, 101°59′38″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