| Mainz to Jicin | 314.73 mi (506.50 km) |
| Mainz to Jihlava | 329.68 mi (530.58 km) |
| Mainz to Jindrichuv Hradec | 307.29 mi (494.53 km) |
| Mainz to Jirkov | 231.66 mi (372.82 km) |
| Mainz to Kadan | 223.05 mi (358.97 km) |
| Mainz to Karlovy Vary | 204.78 mi (329.56 km) |
| Mainz to Karvina | 456.88 mi (735.28 km) |
| Mainz to Kladno | 258.90 mi (416.66 km) |
| Mainz to Klasterec nad Ohri | 218.72 mi (351.99 km) |
| Mainz to Klatovy | 228.35 mi (367.50 km) |
| Mainz to Kolin | 307.82 mi (495.39 km) |
| Mainz to Koprivnice | 441.08 mi (709.86 km) |
| Mainz to Kralupy nad Vltavou | 268.36 mi (431.88 km) |
| Mainz to Kraluv Dvur | 256.29 mi (412.45 km) |
| Mainz to Krnov | 418.36 mi (673.28 km) |
