How far is Roi Et from Hong Kong?
The distance between Hong Kong (Hong Kong International Airport) and Roi Et (Roi Et Airport) is 787 miles / 1267 kilometers / 684 nautical miles.
The driving distance from Hong Kong (HKG) to Roi Et (ROI) is 1140 miles / 1835 kilometers, and travel time by car is about 22 hours 36 minutes.
Hong Kong International Airport – Roi Et Airport
Search flights
Distance from Hong Kong to Roi Et
There are several ways to calculate the distance from Hong Kong to Roi Et. Here are two standard methods:
Vincenty's formula (applied above)- 787.257 miles
- 1266.967 kilometers
- 684.108 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- 787.475 miles
- 1267.318 kilometers
- 684.297 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 Hong Kong to Roi Et?
The estimated flight time from Hong Kong International Airport to Roi Et Airport is 1 hour and 59 minutes.
What is the time difference between Hong Kong and Roi Et?
The time difference between Hong Kong and Roi Et is 1 hour. Roi Et is 1 hour behind Hong Kong.
Flight carbon footprint between Hong Kong International Airport (HKG) and Roi Et Airport (ROI)
On average, flying from Hong Kong to Roi Et generates about 134 kg of CO2 per passenger, and 134 kilograms equals 295 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Hong Kong to Roi Et
See the map of the shortest flight path between Hong Kong International Airport (HKG) and Roi Et Airport (ROI).
Airport information
| Origin | Hong Kong International Airport |
|---|---|
| City: | Hong Kong |
| Country: | Hong Kong  |
| IATA Code: | HKG |
| ICAO Code: | VHHH |
| Coordinates: | 22°18′32″N, 113°54′54″E |
| Destination | Roi Et Airport |
|---|---|
| City: | Roi Et |
| Country: | Thailand  |
| IATA Code: | ROI |
| ICAO Code: | VTUV |
| Coordinates: | 16°7′0″N, 103°46′26″E |