| Omurtag to Calafell | 1,274.86 mi (2,051.69 km) |
| Omurtag to Calahorra | 1,435.42 mi (2,310.09 km) |
| Omurtag to Calasparra | 1,503.92 mi (2,420.32 km) |
| Omurtag to Calatayud | 1,433.54 mi (2,307.06 km) |
| Omurtag to Caldas de Montbuy | 1,237.74 mi (1,991.94 km) |
| Omurtag to Caldas de Reyes | 1,762.95 mi (2,837.20 km) |
| Omurtag to Calella | 1,212.97 mi (1,952.08 km) |
| Omurtag to Callosa de Segura | 1,465.43 mi (2,358.38 km) |
| Omurtag to Calpe | 1,405.60 mi (2,262.09 km) |
| Omurtag to Calvia | 1,259.83 mi (2,027.50 km) |
| Omurtag to Camas | 1,744.27 mi (2,807.13 km) |
| Omurtag to Cambados | 1,772.60 mi (2,852.72 km) |
| Omurtag to Cambre | 1,737.75 mi (2,796.63 km) |
| Omurtag to Cambrils | 1,303.01 mi (2,096.99 km) |
| Omurtag to Campo de Criptana | 1,547.09 mi (2,489.80 km) |
