How far is Ketchikan, AK, from Alamosa, CO?
The distance between Alamosa (San Luis Valley Regional Airport) and Ketchikan (Ketchikan International Airport) is 1729 miles / 2783 kilometers / 1503 nautical miles.
The driving distance from Alamosa (ALS) to Ketchikan (KTN) is 2365 miles / 3806 kilometers, and travel time by car is about 51 hours 3 minutes.
San Luis Valley Regional Airport – Ketchikan International Airport
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Distance from Alamosa to Ketchikan
There are several ways to calculate the distance from Alamosa to Ketchikan. Here are two standard methods:
Vincenty's formula (applied above)- 1729.151 miles
- 2782.799 kilometers
- 1502.591 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- 1727.047 miles
- 2779.413 kilometers
- 1500.763 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 Alamosa to Ketchikan?
The estimated flight time from San Luis Valley Regional Airport to Ketchikan International Airport is 3 hours and 46 minutes.
What is the time difference between Alamosa and Ketchikan?
The time difference between Alamosa and Ketchikan is 2 hours. Ketchikan is 2 hours behind Alamosa.
Flight carbon footprint between San Luis Valley Regional Airport (ALS) and Ketchikan International Airport (KTN)
On average, flying from Alamosa to Ketchikan generates about 195 kg of CO2 per passenger, and 195 kilograms equals 429 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Alamosa to Ketchikan
See the map of the shortest flight path between San Luis Valley Regional Airport (ALS) and Ketchikan International Airport (KTN).
Airport information
| Origin | San Luis Valley Regional Airport |
|---|---|
| City: | Alamosa, CO |
| Country: | United States  |
| IATA Code: | ALS |
| ICAO Code: | KALS |
| Coordinates: | 37°26′5″N, 105°52′1″W |
| Destination | Ketchikan International Airport |
|---|---|
| City: | Ketchikan, AK |
| Country: | United States |
| IATA Code: | KTN |
| ICAO Code: | PAKT |
| Coordinates: | 55°21′19″N, 131°42′38″W |