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How far is Xieng Khouang from Simao?

The distance between Simao (Pu'er Simao Airport) and Xieng Khouang (Xieng Khouang Airport) is 270 miles / 435 kilometers / 235 nautical miles.

The driving distance from Simao (SYM) to Xieng Khouang (XKH) is 506 miles / 814 kilometers, and travel time by car is about 10 hours 5 minutes.

Pu'er Simao Airport – Xieng Khouang Airport

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270
Miles
Distance arrow
435
Kilometers
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235
Nautical miles

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Distance from Simao to Xieng Khouang

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

Vincenty's formula (applied above)
  • 270.270 miles
  • 434.957 kilometers
  • 234.858 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
  • 270.997 miles
  • 436.128 kilometers
  • 235.490 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 Xieng Khouang?

The estimated flight time from Pu'er Simao Airport to Xieng Khouang Airport is 1 hour and 0 minutes.

Flight carbon footprint between Pu'er Simao Airport (SYM) and Xieng Khouang Airport (XKH)

On average, flying from Simao to Xieng Khouang generates about 65 kg of CO2 per passenger, and 65 kilograms equals 143 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 Xieng Khouang

See the map of the shortest flight path between Pu'er Simao Airport (SYM) and Xieng Khouang Airport (XKH).

Airport information

Origin Pu'er Simao Airport
City: Simao
Country: China Flag of China
IATA Code: SYM
ICAO Code: ZPSM
Coordinates: 22°47′35″N, 100°57′32″E
Destination Xieng Khouang Airport
City: Xieng Khouang
Country: Laos Flag of Laos
IATA Code: XKH
ICAO Code: VLXK
Coordinates: 19°27′0″N, 103°9′28″E