| Ustron to Cartagena | 1,289.11 mi (2,074.62 km) |
| Ustron to Cartama | 1,473.13 mi (2,370.78 km) |
| Ustron to Cartaya | 1,546.87 mi (2,489.45 km) |
| Ustron to Caspe | 1,080.42 mi (1,738.77 km) |
| Ustron to Cassa de la Selva | 936.05 mi (1,506.43 km) |
| Ustron to Castalla | 1,227.86 mi (1,976.05 km) |
| Ustron to Castellbisbal | 989.52 mi (1,592.49 km) |
| Ustron to Castelldefels | 998.67 mi (1,607.21 km) |
| Ustron to Castello de Ampurias | 911.73 mi (1,467.28 km) |
| Ustron to Castellon de la Plana | 1,136.95 mi (1,829.74 km) |
| Ustron to Castilleja de la Cuesta | 1,497.52 mi (2,410.03 km) |
| Ustron to Catarroja | 1,178.73 mi (1,896.98 km) |
| Ustron to Catral | 1,254.49 mi (2,018.91 km) |
| Ustron to Caudete | 1,234.78 mi (1,987.18 km) |
| Ustron to Cehegin | 1,295.72 mi (2,085.26 km) |
