| Mainz to Grevena | 935.75 mi (1,505.95 km) |
| Mainz to Ialysos | 1,363.71 mi (2,194.67 km) |
| Mainz to Ilion | 1,122.54 mi (1,806.55 km) |
| Mainz to Ilioupoli | 1,129.67 mi (1,818.03 km) |
| Mainz to Ioannina | 940.19 mi (1,513.10 km) |
| Mainz to Irakleio | 1,319.63 mi (2,123.74 km) |
| Mainz to Irakleio | 1,123.85 mi (1,808.66 km) |
| Mainz to Kaisariani | 1,128.03 mi (1,815.40 km) |
| Mainz to Kalamaria | 961.92 mi (1,548.07 km) |
| Mainz to Kalamata | 1,128.09 mi (1,815.49 km) |
| Mainz to Kallithea | 1,127.10 mi (1,813.89 km) |
| Mainz to Kalymnos | 1,291.79 mi (2,078.93 km) |
| Mainz to Kalyvia Thorikou | 1,140.69 mi (1,835.77 km) |
| Mainz to Kamatero | 1,121.50 mi (1,804.88 km) |
| Mainz to Karditsa | 990.83 mi (1,594.58 km) |
