The distance from Grand Isle Seaplane Base () to Bandaranaike International Colombo Airport (CMB) is 9830 miles or 15819 kilometers or 8536 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
15819 kilometers is the direct flight distance between Grand Isle Seaplane Base (United States) and Bandaranaike International Colombo Airport (Sri Lanka).
How long does it take to travel from Grand Isle ( United States ) to Colombo ( Sri Lanka )?
A one-way nonstop (direct) flight between Grand Isle and Colombo takes around 22 hours 35 minutes.
Estimated
flight time from Grand Isle Seaplane Base, Grand Isle, United States to Bandaranaike International Colombo Airport, Colombo, Sri Lanka is
22 hours 35 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - CMB
| Kilometers | | 15819 km |
| Statute Miles | | 9830 miles |
| Nautical Miles | | 8536 nm |
| Avg. Time of Flight | | 22 hours 35 minutes |
Grand Isle Seaplane Base to Bandaranaike International Colombo Airport Flight Route Map - to CMB Flight Path
Location of Grand Isle Seaplane Base & Bandaranaike International Colombo Airport is given below.
Click the map to view Grand Isle to Colombo nonstop flight path and travel direction.
Click to see flight route on Google Map between Grand Isle, United States and Colombo, Sri Lanka. .
Nonstop flight route between Grand Isle, United States and Colombo, Sri Lanka.
Time Difference Between the Airports • - CMB
Time difference between
Grand Isle (United States) and
Colombo (Sri Lanka) is 10 Hours 30 Minutes.
Colombo time is 10 Hours 30 Minutes ahead of Grand Isle.
| Location | Local Time |
| Grand Isle (United States) | 2025-12-14, 18:55:18 EST |
| Colombo (Sri Lanka) | 2025-12-15, 05:25:18 +0530 |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.