Calculations with different methods
- 2896.037 miles
- 4660.719 kilometers
- 2516.587 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 2888.441 miles
- 4648.495 kilometers
- 2509.987 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Nantucket Memorial Airport (ACK) to Ketchikan International Airport (KTN) is 5 hours 58 minutes.
Time difference and current local times
The time difference between Nantucket and Ketchikan is 4 hours. Ketchikan is 4 hours behind Nantucket.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 344 kg (758 pounds).
Nantucket to Ketchikan flight map.
Frequent Flyer Miles Calculator
Nantucket (ACK) → Ketchikan (KTN).