How far is Simao from Hengyang?

The distance between Hengyang (Hengyang Nanyue Airport) and Simao (Pu'er Simao Airport) is 785 miles / 1264 kilometers / 682 nautical miles.

The driving distance from Hengyang (HNY) to Simao (SYM) is 1021 miles / 1643 kilometers, and travel time by car is about 18 hours 35 minutes.

Distance from Hengyang to Simao

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

Vincenty's formula (applied above)

• 785.160 miles
• 1263.593 kilometers
• 682.286 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

• 784.385 miles
• 1262.346 kilometers
• 681.612 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 Hengyang to Simao?

The estimated flight time from Hengyang Nanyue Airport to Pu'er Simao Airport is 1 hour and 59 minutes.

What is the time difference between Hengyang and Simao?

There is no time difference between Hengyang and Simao.

Flight carbon footprint between Hengyang Nanyue Airport (HNY) and Pu'er Simao Airport (SYM)

On average, flying from Hengyang to Simao generates about 133 kg of CO2 per passenger, and 133 kilograms equals 294 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Hengyang to Simao

See the map of the shortest flight path between Hengyang Nanyue Airport (HNY) and Pu'er Simao Airport (SYM).

Airport information

Origin	Hengyang Nanyue Airport
City:	Hengyang
Country:	China
IATA Code:	HNY
ICAO Code:	ZGHY
Coordinates:	26°54′19″N, 112°37′40″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