Map of flight path from Hong Kong to Ko Samui.
Shortest flight path between Hong Kong International Airport (HKG) and Samui Airport (USM).
How far is Ko Samui from Hong Kong?
There are several ways to calculate distances between Hong Kong and Ko Samui. Here are two common methods:Vincenty's formula (applied above)
- 1270.732 miles
- 2045.045 kilometers
- 1104.236 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 1272.741 miles
- 2048.278 kilometers
- 1105.981 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).
Time difference and current local times
The time difference between Hong Kong and Ko Samui is 1 hour. Ko Samui is 1 hour behind Hong Kong.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 165 kg (364 pounds).
Frequent Flyer Miles Calculator
Hong Kong (HKG) → Ko Samui (USM).