| Omurtag to Ciampino | 709.29 mi (1,141.49 km) |
| Omurtag to Cicciano | 626.83 mi (1,008.78 km) |
| Omurtag to Cingoli | 664.06 mi (1,068.70 km) |
| Omurtag to Cinisello Balsamo | 865.09 mi (1,392.23 km) |
| Omurtag to Cinisi | 775.80 mi (1,248.53 km) |
| Omurtag to Cirie | 941.95 mi (1,515.92 km) |
| Omurtag to Ciro Marina | 546.72 mi (879.87 km) |
| Omurtag to Cislago | 877.76 mi (1,412.62 km) |
| Omurtag to Cisterna di Latina | 700.92 mi (1,128.02 km) |
| Omurtag to Cisternino | 489.67 mi (788.05 km) |
| Omurtag to Citta di Castello | 712.49 mi (1,146.64 km) |
| Omurtag to Citta Sant'Angelo | 627.59 mi (1,010.01 km) |
| Omurtag to Cittadella | 742.71 mi (1,195.28 km) |
| Omurtag to Cittanova | 632.15 mi (1,017.35 km) |
| Omurtag to Cividale del Friuli | 670.63 mi (1,079.27 km) |
