| Usingen to Cartagena | 997.25 mi (1,604.91 km) |
| Usingen to Cartama | 1,145.71 mi (1,843.85 km) |
| Usingen to Cartaya | 1,188.77 mi (1,913.13 km) |
| Usingen to Caspe | 751.20 mi (1,208.94 km) |
| Usingen to Cassa de la Selva | 643.01 mi (1,034.82 km) |
| Usingen to Castalla | 927.82 mi (1,493.19 km) |
| Usingen to Castellbisbal | 687.75 mi (1,106.82 km) |
| Usingen to Castelldefels | 700.21 mi (1,126.88 km) |
| Usingen to Castello de Ampurias | 615.53 mi (990.60 km) |
| Usingen to Castellon de la Plana | 826.92 mi (1,330.80 km) |
| Usingen to Castilleja de la Cuesta | 1,148.48 mi (1,848.30 km) |
| Usingen to Catarroja | 871.61 mi (1,402.72 km) |
| Usingen to Catral | 958.18 mi (1,542.05 km) |
| Usingen to Caudete | 928.82 mi (1,494.80 km) |
| Usingen to Cehegin | 986.55 mi (1,587.69 km) |
