| Omurtag to Corbetta | 879.09 mi (1,414.75 km) |
| Omurtag to Corciano | 712.00 mi (1,145.85 km) |
| Omurtag to Cordenons | 703.24 mi (1,131.75 km) |
| Omurtag to Cori | 695.84 mi (1,119.84 km) |
| Omurtag to Coriano | 693.87 mi (1,116.68 km) |
| Omurtag to Corigliano Calabro | 567.10 mi (912.67 km) |
| Omurtag to Corleone | 778.99 mi (1,253.67 km) |
| Omurtag to Cormano | 867.50 mi (1,396.11 km) |
| Omurtag to Cornaredo | 873.64 mi (1,405.99 km) |
| Omurtag to Cornate d'Adda | 853.73 mi (1,373.94 km) |
| Omurtag to Cornedo Vicentino | 763.11 mi (1,228.10 km) |
| Omurtag to Correggio | 785.18 mi (1,263.63 km) |
| Omurtag to Corridonia | 649.45 mi (1,045.19 km) |
| Omurtag to Corsico | 869.24 mi (1,398.91 km) |
| Omurtag to Cortona | 726.08 mi (1,168.52 km) |
