| Calais to Grevena | 1,202.33 mi (1,934.97 km) |
| Calais to Ialysos | 1,638.57 mi (2,637.03 km) |
| Calais to Ilion | 1,389.00 mi (2,235.38 km) |
| Calais to Ilioupoli | 1,395.91 mi (2,246.50 km) |
| Calais to Ioannina | 1,202.02 mi (1,934.46 km) |
| Calais to Irakleio | 1,581.16 mi (2,544.63 km) |
| Calais to Irakleio | 1,390.63 mi (2,238.01 km) |
| Calais to Kaisariani | 1,394.45 mi (2,244.15 km) |
| Calais to Kalamaria | 1,236.43 mi (1,989.84 km) |
| Calais to Kalamata | 1,383.23 mi (2,226.09 km) |
| Calais to Kallithea | 1,393.21 mi (2,242.16 km) |
| Calais to Kalymnos | 1,565.26 mi (2,519.04 km) |
| Calais to Kalyvia Thorikou | 1,407.16 mi (2,264.60 km) |
| Calais to Kamatero | 1,388.11 mi (2,233.95 km) |
| Calais to Karditsa | 1,255.99 mi (2,021.32 km) |
