Distance between Kien Giang and Nakhon Si Thammarat is 610.03 km.
This distance is equal to 379.06 miles, and 329.17 nautical miles.
The distance line on map shows distance from Kien Giang to Nakhon Si Thammarat between two cities.
If you travel with an airplane (which has average speed of 560 miles) between Kien Giang to Nakhon Si Thammarat,
It takes 0.68 hours to arrive.