| Omurtag to Casandrino | 641.62 mi (1,032.59 km) |
| Omurtag to Casapulla | 637.25 mi (1,025.55 km) |
| Omurtag to Casarano | 476.49 mi (766.84 km) |
| Omurtag to Casatenovo | 861.51 mi (1,386.47 km) |
| Omurtag to Casciana Terme | 793.55 mi (1,277.10 km) |
| Omurtag to Cascina | 796.46 mi (1,281.78 km) |
| Omurtag to Caselle Torinese | 939.55 mi (1,512.06 km) |
| Omurtag to Caserta | 634.75 mi (1,021.54 km) |
| Omurtag to Casier | 718.05 mi (1,155.59 km) |
| Omurtag to Casorate Primo | 873.49 mi (1,405.74 km) |
| Omurtag to Casoria | 639.83 mi (1,029.71 km) |
| Omurtag to Cassano al Ionio | 570.63 mi (918.35 km) |
| Omurtag to Cassano d'Adda | 850.53 mi (1,368.80 km) |
| Omurtag to Cassano delle Murge | 518.35 mi (834.20 km) |
| Omurtag to Cassina de' Pecchi | 857.66 mi (1,380.26 km) |
