| Civitavecchia to Karditsa | 561.90 mi (904.29 km) |
| Civitavecchia to Kastoria | 503.07 mi (809.61 km) |
| Civitavecchia to Katerini | 570.22 mi (917.68 km) |
| Civitavecchia to Keratsini | 686.48 mi (1,104.78 km) |
| Civitavecchia to Kerkyra | 457.33 mi (735.99 km) |
| Civitavecchia to Kiato | 643.66 mi (1,035.87 km) |
| Civitavecchia to Kifisia | 692.34 mi (1,114.21 km) |
| Civitavecchia to Kilkis | 577.07 mi (928.70 km) |
| Civitavecchia to Komotini | 706.17 mi (1,136.47 km) |
| Civitavecchia to Korinthos | 654.53 mi (1,053.36 km) |
| Civitavecchia to Koropi | 700.97 mi (1,128.11 km) |
| Civitavecchia to Korydallos | 687.53 mi (1,106.48 km) |
| Civitavecchia to Kos | 897.77 mi (1,444.82 km) |
| Civitavecchia to Kozani | 533.35 mi (858.34 km) |
| Civitavecchia to Lagos | 686.50 mi (1,104.82 km) |
