Flight distance from Phnom Penh to Koh Samui

576 kilometers/358 miles
or 311 nautical miles.
Your flight will depart from Phnom Penh airport and land at Koh Samui airport.
City: Phnom Penh (PNH) Koh Samui (USM)
Latitude: 11.546111 9.5
Longitude: 104.847778 100
Country: Cambodia Thailand
Timezone: Asia/Phnom_Penh Asia/Bangkok
Current time:: 04:31 02-Apr-2026 04:31 02-Apr-2026

How far is between Phnom Penh and Koh Samui?

  • Your starting point Phnom Penh, Cambodia is located at 11.546111,104.847778
  • Your ending point Koh Samui, Thailand is located at 9.5,100
  • l distance from Phnom Penh to Koh Samui is 576 kms equals to miles and 311 nautical miles.
  • Flight time from Phnom Penh to Koh Samui is 16 hours 50 minutes
Click here to get detail flight schedules from Phnom Penh to Koh Samui