How far is Dong Hoi from Simao?

The distance between Simao (Pu'er Simao Airport) and Dong Hoi (Dong Hoi Airport) is 515 miles / 829 kilometers / 448 nautical miles.

The driving distance from Simao (SYM) to Dong Hoi (VDH) is 789 miles / 1270 kilometers, and travel time by car is about 15 hours 8 minutes.

Distance from Simao to Dong Hoi

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

Vincenty's formula (applied above)

• 515.292 miles
• 829.282 kilometers
• 447.776 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

• 516.029 miles
• 830.468 kilometers
• 448.417 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 Dong Hoi?

The estimated flight time from Pu'er Simao Airport to Dong Hoi Airport is 1 hour and 28 minutes.

What is the time difference between Simao and Dong Hoi?

The time difference between Simao and Dong Hoi is 1 hour. Dong Hoi is 1 hour behind Simao.

Flight carbon footprint between Pu'er Simao Airport (SYM) and Dong Hoi Airport (VDH)

On average, flying from Simao to Dong Hoi generates about 101 kg of CO2 per passenger, and 101 kilograms equals 222 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 Dong Hoi

See the map of the shortest flight path between Pu'er Simao Airport (SYM) and Dong Hoi Airport (VDH).

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	Dong Hoi Airport
City:	Dong Hoi
Country:	Vietnam
IATA Code:	VDH
ICAO Code:	VVDH
Coordinates:	17°30′54″N, 106°35′26″E