| Omurtag to Cabries | 1,055.80 mi (1,699.15 km) |
| Omurtag to Cachan | 1,216.03 mi (1,957.01 km) |
| Omurtag to Caen | 1,341.21 mi (2,158.47 km) |
| Omurtag to Cagnes-sur-Mer | 966.18 mi (1,554.92 km) |
| Omurtag to Cahors | 1,244.71 mi (2,003.16 km) |
| Omurtag to Calais | 1,269.61 mi (2,043.24 km) |
| Omurtag to Caluire-et-Cuire | 1,076.68 mi (1,732.74 km) |
| Omurtag to Cambrai | 1,197.07 mi (1,926.50 km) |
| Omurtag to Canet-en-Roussillon | 1,181.26 mi (1,901.06 km) |
| Omurtag to Cannes | 973.60 mi (1,566.85 km) |
| Omurtag to Canteleu | 1,281.68 mi (2,062.67 km) |
| Omurtag to Capbreton | 1,392.66 mi (2,241.27 km) |
| Omurtag to Carcassonne | 1,208.89 mi (1,945.52 km) |
| Omurtag to Carmaux | 1,211.70 mi (1,950.04 km) |
| Omurtag to Carpentras | 1,068.59 mi (1,719.72 km) |
