| Ostrow Mazowiecka to Cartagena | 1,518.59 mi (2,443.94 km) |
| Ostrow Mazowiecka to Cartama | 1,694.37 mi (2,726.82 km) |
| Ostrow Mazowiecka to Cartaya | 1,757.74 mi (2,828.81 km) |
| Ostrow Mazowiecka to Caspe | 1,297.32 mi (2,087.84 km) |
| Ostrow Mazowiecka to Cassa de la Selva | 1,160.54 mi (1,867.71 km) |
| Ostrow Mazowiecka to Castalla | 1,454.73 mi (2,341.17 km) |
| Ostrow Mazowiecka to Castellbisbal | 1,212.79 mi (1,951.80 km) |
| Ostrow Mazowiecka to Castelldefels | 1,222.95 mi (1,968.14 km) |
| Ostrow Mazowiecka to Castello de Ampurias | 1,134.94 mi (1,826.51 km) |
| Ostrow Mazowiecka to Castellon de la Plana | 1,360.17 mi (2,188.98 km) |
| Ostrow Mazowiecka to Castilleja de la Cuesta | 1,711.59 mi (2,754.53 km) |
| Ostrow Mazowiecka to Catarroja | 1,403.23 mi (2,258.28 km) |
| Ostrow Mazowiecka to Catral | 1,482.57 mi (2,385.96 km) |
| Ostrow Mazowiecka to Caudete | 1,460.19 mi (2,349.94 km) |
| Ostrow Mazowiecka to Cehegin | 1,520.85 mi (2,447.58 km) |
