| Omurtag to Catania | 710.33 mi (1,143.17 km) |
| Omurtag to Catanzaro | 587.88 mi (946.10 km) |
| Omurtag to Cattolica | 687.24 mi (1,106.01 km) |
| Omurtag to Cava de' Tirreni | 624.37 mi (1,004.83 km) |
| Omurtag to Cavallino | 465.15 mi (748.59 km) |
| Omurtag to Cavarzere | 723.83 mi (1,164.90 km) |
| Omurtag to Cave | 692.26 mi (1,114.08 km) |
| Omurtag to Cavriago | 797.16 mi (1,282.90 km) |
| Omurtag to Cavriglia | 750.37 mi (1,207.60 km) |
| Omurtag to Cazzago San Martino | 826.36 mi (1,329.90 km) |
| Omurtag to Ceccano | 675.89 mi (1,087.75 km) |
| Omurtag to Cecina | 799.67 mi (1,286.94 km) |
| Omurtag to Cefalu | 737.95 mi (1,187.62 km) |
| Omurtag to Ceglie Messapico | 488.68 mi (786.46 km) |
| Omurtag to Celano | 657.18 mi (1,057.63 km) |
