| Omurtag to Chojnow | 747.36 mi (1,202.77 km) |
| Omurtag to Chorzow | 609.80 mi (981.38 km) |
| Omurtag to Choszczno | 858.78 mi (1,382.08 km) |
| Omurtag to Chrzanow | 588.53 mi (947.15 km) |
| Omurtag to Ciechanow | 725.31 mi (1,167.27 km) |
| Omurtag to Ciechocinek | 761.57 mi (1,225.63 km) |
| Omurtag to Cieszyn | 589.71 mi (949.05 km) |
| Omurtag to Czarna Bialostocka | 719.19 mi (1,157.43 km) |
| Omurtag to Czarnkow | 814.38 mi (1,310.62 km) |
| Omurtag to Czechowice-Dziedzice | 587.42 mi (945.36 km) |
| Omurtag to Czeladz | 608.01 mi (978.49 km) |
| Omurtag to Czersk Pomorski | 832.65 mi (1,340.03 km) |
| Omurtag to Czestochowa | 633.03 mi (1,018.76 km) |
| Omurtag to Czluchow | 838.42 mi (1,349.31 km) |
| Omurtag to Dabrowa Gornicza | 604.57 mi (972.96 km) |
