| Castricum to Glyka Nera | 1,363.29 mi (2,194.01 km) |
| Castricum to Grevena | 1,169.71 mi (1,882.47 km) |
| Castricum to Ialysos | 1,593.34 mi (2,564.24 km) |
| Castricum to Ilion | 1,356.20 mi (2,182.59 km) |
| Castricum to Ilioupoli | 1,363.39 mi (2,194.16 km) |
| Castricum to Ioannina | 1,175.18 mi (1,891.27 km) |
| Castricum to Irakleio | 1,554.24 mi (2,501.31 km) |
| Castricum to Irakleio | 1,357.42 mi (2,184.55 km) |
| Castricum to Kaisariani | 1,361.70 mi (2,191.44 km) |
| Castricum to Kalamaria | 1,192.73 mi (1,919.51 km) |
| Castricum to Kalamata | 1,363.73 mi (2,194.71 km) |
| Castricum to Kallithea | 1,360.85 mi (2,190.08 km) |
| Castricum to Kalymnos | 1,522.35 mi (2,449.98 km) |
| Castricum to Kalyvia Thorikou | 1,374.33 mi (2,211.76 km) |
| Castricum to Kamatero | 1,355.12 mi (2,180.85 km) |
