How far is Colombo from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Colombo (Ratmalana Airport) is 8452 miles / 13603 kilometers / 7345 nautical miles.
Seattle Boeing Field – Ratmalana Airport
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Distance from Seattle to Colombo
There are several ways to calculate the distance from Seattle to Colombo. Here are two standard methods:
Vincenty's formula (applied above)- 8452.222 miles
- 13602.533 kilometers
- 7344.780 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 8444.535 miles
- 13590.161 kilometers
- 7338.100 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).
How long does it take to fly from Seattle to Colombo?
The estimated flight time from Seattle Boeing Field to Ratmalana Airport is 16 hours and 30 minutes.
What is the time difference between Seattle and Colombo?
Flight carbon footprint between Seattle Boeing Field (BFI) and Ratmalana Airport (RML)
On average, flying from Seattle to Colombo generates about 1 065 kg of CO2 per passenger, and 1 065 kilograms equals 2 348 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Seattle to Colombo
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Ratmalana Airport (RML).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| Destination | Ratmalana Airport |
|---|---|
| City: | Colombo |
| Country: | Sri Lanka  |
| IATA Code: | RML |
| ICAO Code: | VCCC |
| Coordinates: | 6°49′19″N, 79°53′10″E |