| Omurtag to Busto Garolfo | 880.99 mi (1,417.81 km) |
| Omurtag to Cabras | 948.73 mi (1,526.83 km) |
| Omurtag to Cadelbosco di Sopra | 794.09 mi (1,277.97 km) |
| Omurtag to Cadoneghe | 733.59 mi (1,180.59 km) |
| Omurtag to Cagli | 691.88 mi (1,113.48 km) |
| Omurtag to Cagliari | 937.12 mi (1,508.15 km) |
| Omurtag to Cairo Montenotte | 908.45 mi (1,462.01 km) |
| Omurtag to Caivano | 638.79 mi (1,028.03 km) |
| Omurtag to Calcinaia | 793.13 mi (1,276.42 km) |
| Omurtag to Calcinato | 806.74 mi (1,298.33 km) |
| Omurtag to Calderara di Reno | 760.75 mi (1,224.31 km) |
| Omurtag to Caldogno | 756.04 mi (1,216.72 km) |
| Omurtag to Calenzano | 765.28 mi (1,231.59 km) |
| Omurtag to Calolziocorte | 856.44 mi (1,378.31 km) |
| Omurtag to Caltagirone | 746.62 mi (1,201.57 km) |
