| Siechnice to Cartagena | 1,283.74 mi (2,065.98 km) |
| Siechnice to Cartama | 1,458.33 mi (2,346.96 km) |
| Siechnice to Cartaya | 1,522.08 mi (2,449.55 km) |
| Siechnice to Caspe | 1,061.22 mi (1,707.88 km) |
| Siechnice to Cassa de la Selva | 925.06 mi (1,488.74 km) |
| Siechnice to Castalla | 1,219.39 mi (1,962.42 km) |
| Siechnice to Castellbisbal | 977.10 mi (1,572.49 km) |
| Siechnice to Castelldefels | 987.37 mi (1,589.03 km) |
| Siechnice to Castello de Ampurias | 899.31 mi (1,447.29 km) |
| Siechnice to Castellon de la Plana | 1,124.38 mi (1,809.51 km) |
| Siechnice to Castilleja de la Cuesta | 1,475.64 mi (2,374.81 km) |
| Siechnice to Catarroja | 1,167.56 mi (1,879.01 km) |
| Siechnice to Catral | 1,247.43 mi (2,007.55 km) |
| Siechnice to Caudete | 1,224.61 mi (1,970.82 km) |
| Siechnice to Cehegin | 1,285.21 mi (2,068.34 km) |
