| West Ham to Karditsa | 1,345.38 mi (2,165.18 km) |
| West Ham to Kastoria | 1,264.85 mi (2,035.58 km) |
| West Ham to Katerini | 1,323.64 mi (2,130.20 km) |
| West Ham to Keratsini | 1,478.67 mi (2,379.69 km) |
| West Ham to Kerkyra | 1,259.37 mi (2,026.75 km) |
| West Ham to Kiato | 1,444.42 mi (2,324.57 km) |
| West Ham to Kifisia | 1,480.26 mi (2,382.25 km) |
| West Ham to Kilkis | 1,304.28 mi (2,099.04 km) |
| West Ham to Komotini | 1,399.94 mi (2,252.98 km) |
| West Ham to Korinthos | 1,454.60 mi (2,340.96 km) |
| West Ham to Koropi | 1,491.59 mi (2,400.48 km) |
| West Ham to Korydallos | 1,479.07 mi (2,380.33 km) |
| West Ham to Kos | 1,671.36 mi (2,689.79 km) |
| West Ham to Kozani | 1,294.79 mi (2,083.76 km) |
| West Ham to Lagos | 1,385.72 mi (2,230.10 km) |
