Distance calculator

Great-circle distance. Enter an airport ICAO / IATA code or coordinates (for example 52.1657, 20.9671).

KAIO · Atlantic Municipal Airport → KDLH · Duluth International Airport

Distance
348.6 nm
645.5 km · 401.1 mi
Course (true)
020°
Reverse course
202°
Flight time
0:48

Straight great-circle distance, not a route. Course is true, not magnetic.