| Harwich to Karditsa | 1,314.04 mi (2,114.75 km) |
| Harwich to Kastoria | 1,232.29 mi (1,983.17 km) |
| Harwich to Katerini | 1,289.73 mi (2,075.62 km) |
| Harwich to Keratsini | 1,447.25 mi (2,329.12 km) |
| Harwich to Kerkyra | 1,230.81 mi (1,980.80 km) |
| Harwich to Kiato | 1,414.22 mi (2,275.97 km) |
| Harwich to Kifisia | 1,448.35 mi (2,330.90 km) |
| Harwich to Kilkis | 1,268.46 mi (2,041.39 km) |
| Harwich to Komotini | 1,360.69 mi (2,189.82 km) |
| Harwich to Korinthos | 1,424.26 mi (2,292.13 km) |
| Harwich to Koropi | 1,459.91 mi (2,349.49 km) |
| Harwich to Korydallos | 1,447.57 mi (2,329.64 km) |
| Harwich to Kos | 1,636.79 mi (2,634.17 km) |
| Harwich to Kozani | 1,261.87 mi (2,030.78 km) |
| Harwich to Lagos | 1,347.00 mi (2,167.78 km) |
