| Boston to Karditsa | 1,398.81 mi (2,251.17 km) |
| Boston to Kastoria | 1,316.39 mi (2,118.52 km) |
| Boston to Katerini | 1,372.91 mi (2,209.48 km) |
| Boston to Keratsini | 1,531.88 mi (2,465.32 km) |
| Boston to Kerkyra | 1,317.08 mi (2,119.64 km) |
| Boston to Kiato | 1,499.56 mi (2,413.31 km) |
| Boston to Kifisia | 1,532.69 mi (2,466.63 km) |
| Boston to Kilkis | 1,350.30 mi (2,173.09 km) |
| Boston to Komotini | 1,439.56 mi (2,316.75 km) |
| Boston to Korinthos | 1,509.51 mi (2,429.32 km) |
| Boston to Koropi | 1,544.38 mi (2,485.43 km) |
| Boston to Korydallos | 1,532.16 mi (2,465.77 km) |
| Boston to Kos | 1,719.28 mi (2,766.91 km) |
| Boston to Kozani | 1,345.72 mi (2,165.72 km) |
| Boston to Lagos | 1,426.35 mi (2,295.49 km) |
