| Omurtag to Cervello | 1,251.98 mi (2,014.87 km) |
| Omurtag to Cervera | 1,282.35 mi (2,063.74 km) |
| Omurtag to Ceuti | 1,486.32 mi (2,392.00 km) |
| Omurtag to Cheste | 1,422.59 mi (2,289.43 km) |
| Omurtag to Chiclana de la Frontera | 1,778.08 mi (2,861.55 km) |
| Omurtag to Chipiona | 1,783.16 mi (2,869.72 km) |
| Omurtag to Chiva | 1,424.55 mi (2,292.60 km) |
| Omurtag to Churriana de la Vega | 1,631.21 mi (2,625.18 km) |
| Omurtag to Ciempozuelos | 1,555.95 mi (2,504.06 km) |
| Omurtag to Cieza | 1,489.54 mi (2,397.18 km) |
| Omurtag to Cisterniga | 1,582.05 mi (2,546.07 km) |
| Omurtag to Ciudad de Melilla | 1,652.58 mi (2,659.58 km) |
| Omurtag to Ciudad Real | 1,597.10 mi (2,570.28 km) |
| Omurtag to Ciudad-Rodrigo | 1,694.01 mi (2,726.25 km) |
| Omurtag to Cocentaina | 1,427.54 mi (2,297.41 km) |
