How far is Ketchikan, AK, from Redmond, OR?
The distance between Redmond (Roberts Field) and Ketchikan (Ketchikan International Airport) is 899 miles / 1446 kilometers / 781 nautical miles.
The driving distance from Redmond (RDM) to Ketchikan (KTN) is 1427 miles / 2297 kilometers, and travel time by car is about 34 hours 17 minutes.
Roberts Field – Ketchikan International Airport
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Distance from Redmond to Ketchikan
There are several ways to calculate the distance from Redmond to Ketchikan. Here are two standard methods:
Vincenty's formula (applied above)- 898.758 miles
- 1446.411 kilometers
- 781.000 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- 897.839 miles
- 1444.932 kilometers
- 780.201 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 Redmond to Ketchikan?
The estimated flight time from Roberts Field to Ketchikan International Airport is 2 hours and 12 minutes.
What is the time difference between Redmond and Ketchikan?
The time difference between Redmond and Ketchikan is 1 hour. Ketchikan is 1 hour behind Redmond.
Flight carbon footprint between Roberts Field (RDM) and Ketchikan International Airport (KTN)
On average, flying from Redmond to Ketchikan generates about 143 kg of CO2 per passenger, and 143 kilograms equals 316 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Redmond to Ketchikan
See the map of the shortest flight path between Roberts Field (RDM) and Ketchikan International Airport (KTN).
Airport information
| Origin | Roberts Field |
|---|---|
| City: | Redmond, OR |
| Country: | United States  |
| IATA Code: | RDM |
| ICAO Code: | KRDM |
| Coordinates: | 44°15′14″N, 121°9′0″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 |