Distance calculator

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

KTDZ · Toledo Executive Airport → KBOS · Boston Logan International Airport

Distance
558.5 nm
1,034.3 km · 642.7 mi
Course (true)
081°
Reverse course
269°
Flight time
1:16

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