| Ostrow Mazowiecka to Calafell | 1,241.36 mi (1,997.78 km) |
| Ostrow Mazowiecka to Calahorra | 1,318.87 mi (2,122.51 km) |
| Ostrow Mazowiecka to Calasparra | 1,510.11 mi (2,430.28 km) |
| Ostrow Mazowiecka to Calatayud | 1,350.78 mi (2,173.87 km) |
| Ostrow Mazowiecka to Caldas de Montbuy | 1,198.37 mi (1,928.59 km) |
| Ostrow Mazowiecka to Caldas de Reyes | 1,569.07 mi (2,525.17 km) |
| Ostrow Mazowiecka to Calella | 1,181.70 mi (1,901.77 km) |
| Ostrow Mazowiecka to Callosa de Segura | 1,487.12 mi (2,393.29 km) |
| Ostrow Mazowiecka to Calpe | 1,427.40 mi (2,297.17 km) |
| Ostrow Mazowiecka to Calvia | 1,294.71 mi (2,083.64 km) |
| Ostrow Mazowiecka to Camas | 1,710.01 mi (2,752.00 km) |
| Ostrow Mazowiecka to Cambados | 1,579.92 mi (2,542.63 km) |
| Ostrow Mazowiecka to Cambre | 1,528.61 mi (2,460.06 km) |
| Ostrow Mazowiecka to Cambrils | 1,266.32 mi (2,037.94 km) |
| Ostrow Mazowiecka to Campo de Criptana | 1,501.32 mi (2,416.14 km) |
