| Omurtag to Civita Castellana | 712.60 mi (1,146.81 km) |
| Omurtag to Civitanova Marche | 638.37 mi (1,027.36 km) |
| Omurtag to Civitavecchia | 745.66 mi (1,200.02 km) |
| Omurtag to Civitella in Val di Chiana | 739.06 mi (1,189.41 km) |
| Omurtag to Clusone | 832.45 mi (1,339.70 km) |
| Omurtag to Coccaglio | 828.51 mi (1,333.36 km) |
| Omurtag to Codigoro | 720.18 mi (1,159.02 km) |
| Omurtag to Codogno | 839.35 mi (1,350.80 km) |
| Omurtag to Codroipo | 689.82 mi (1,110.15 km) |
| Omurtag to Cogoleto | 889.73 mi (1,431.88 km) |
| Omurtag to Colle di Val d'Elsa | 768.36 mi (1,236.56 km) |
| Omurtag to Colle Salvetti | 800.07 mi (1,287.59 km) |
| Omurtag to Collecchio | 812.83 mi (1,308.12 km) |
| Omurtag to Colleferro | 689.26 mi (1,109.26 km) |
| Omurtag to Collegno | 942.93 mi (1,517.50 km) |
