| Mainz to Kastoria | 907.27 mi (1,460.11 km) |
| Mainz to Katerini | 962.43 mi (1,548.88 km) |
| Mainz to Keratsini | 1,123.42 mi (1,807.97 km) |
| Mainz to Kerkyra | 913.61 mi (1,470.31 km) |
| Mainz to Kiato | 1,092.72 mi (1,758.56 km) |
| Mainz to Kifisia | 1,123.71 mi (1,808.43 km) |
| Mainz to Kilkis | 938.78 mi (1,510.81 km) |
| Mainz to Komotini | 1,028.20 mi (1,654.73 km) |
| Mainz to Korinthos | 1,102.43 mi (1,774.20 km) |
| Mainz to Koropi | 1,135.60 mi (1,827.57 km) |
| Mainz to Korydallos | 1,123.62 mi (1,808.28 km) |
| Mainz to Kos | 1,308.02 mi (2,105.06 km) |
| Mainz to Kozani | 936.15 mi (1,506.59 km) |
| Mainz to Lagos | 1,014.77 mi (1,633.11 km) |
| Mainz to Lamia | 1,033.27 mi (1,662.89 km) |
