How far is Ketchikan, AK, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Ketchikan (Ketchikan International Airport) is 1046 miles / 1684 kilometers / 909 nautical miles.
The driving distance from Helena (HLN) to Ketchikan (KTN) is 1444 miles / 2324 kilometers, and travel time by car is about 33 hours 39 minutes.
Helena Regional Airport – Ketchikan International Airport
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Distance from Helena to Ketchikan
There are several ways to calculate the distance from Helena to Ketchikan. Here are two standard methods:
Vincenty's formula (applied above)- 1046.101 miles
- 1683.536 kilometers
- 909.037 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- 1043.758 miles
- 1679.765 kilometers
- 907.001 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 Helena to Ketchikan?
The estimated flight time from Helena Regional Airport to Ketchikan International Airport is 2 hours and 28 minutes.
What is the time difference between Helena and Ketchikan?
The time difference between Helena and Ketchikan is 2 hours. Ketchikan is 2 hours behind Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Ketchikan International Airport (KTN)
On average, flying from Helena to Ketchikan generates about 154 kg of CO2 per passenger, and 154 kilograms equals 339 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Ketchikan
See the map of the shortest flight path between Helena Regional Airport (HLN) and Ketchikan International Airport (KTN).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″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 |