How far is Colombo from Seattle, WA?
The distance between Seattle (Seattle–Tacoma International Airport) and Colombo (Ratmalana Airport) is 8457 miles / 13610 kilometers / 7349 nautical miles.
Seattle–Tacoma International Airport – 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)- 8457.097 miles
- 13610.379 kilometers
- 7349.017 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- 8449.406 miles
- 13598.000 kilometers
- 7342.333 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–Tacoma International Airport to Ratmalana Airport is 16 hours and 30 minutes.
What is the time difference between Seattle and Colombo?
Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Ratmalana Airport (RML)
On average, flying from Seattle to Colombo generates about 1 066 kg of CO2 per passenger, and 1 066 kilograms equals 2 350 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–Tacoma International Airport (SEA) and Ratmalana Airport (RML).
Airport information
| Origin | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |
| Destination | Ratmalana Airport |
|---|---|
| City: | Colombo |
| Country: | Sri Lanka  |
| IATA Code: | RML |
| ICAO Code: | VCCC |
| Coordinates: | 6°49′19″N, 79°53′10″E |