# Distance between Tainan (TNN) and Hong Kong (HKG)

Flight distance from Tainan to Hong Kong (Tainan Airport – Hong Kong International Airport) is 404 miles / 651 kilometers / 351 nautical miles. Estimated flight time is 1 hour 15 minutes.

## Map of flight path from Tainan to Hong Kong.

Shortest flight path between Tainan Airport (TNN) and Hong Kong International Airport (HKG).

## How far is Hong Kong from Tainan?

There are several ways to calculate distances between Tainan and Hong Kong. Here are two common methods:

Vincenty's formula (applied above)
• 404.235 miles
• 650.552 kilometers
• 351.270 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
• 403.610 miles
• 649.548 kilometers
• 350.728 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).

## Airport information

A Tainan Airport
City: Tainan
Country: Taiwan
IATA Code: TNN
ICAO Code: RCNN
Coordinates: 22°57′1″N, 120°12′21″E

B 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

## Time difference and current local times

There is no time difference between Tainan and Hong Kong.

CST

HKT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 85 kg (186 pounds).

## Frequent Flyer Miles Calculator

Tainan (TNN) → Hong Kong (HKG).

Distance:
404
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
404

Round trip?