# Distance between Tokunoshima (TKN) and Shonai (SYO)

Flight distance from Tokunoshima to Shonai (Tokunoshima Airport – Shonai Airport) is 983 miles / 1583 kilometers / 855 nautical miles. Estimated flight time is 2 hours 21 minutes.

Driving distance from Tokunoshima (TKN) to Shonai (SYO) is 1293 miles / 2081 kilometers and travel time by car is about 111 hours 4 minutes.

## Map of flight path and driving directions from Tokunoshima to Shonai.

Shortest flight path between Tokunoshima Airport (TKN) and Shonai Airport (SYO).

## How far is Shonai from Tokunoshima?

There are several ways to calculate distances between Tokunoshima and Shonai. Here are two common methods:

Vincenty's formula (applied above)
• 983.431 miles
• 1582.678 kilometers
• 854.578 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
• 984.067 miles
• 1583.702 kilometers
• 855.131 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 Tokunoshima Airport
City: Tokunoshima
Country: Japan
IATA Code: TKN
ICAO Code: RJKN
Coordinates: 27°50′11″N, 128°52′51″E

B Shonai Airport
City: Shonai
Country: Japan
IATA Code: SYO
ICAO Code: RJSY
Coordinates: 38°48′43″N, 139°47′13″E

## Time difference and current local times

There is no time difference between Tokunoshima and Shonai.

JST

JST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 150 kg (330 pounds).

## Frequent Flyer Miles Calculator

Tokunoshima (TKN) → Shonai (SYO).

Distance:
983
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
983

Round trip?