| Ostrow Mazowiecka to Corato | 845.04 mi (1,359.96 km) |
| Ostrow Mazowiecka to Corbetta | 773.33 mi (1,244.55 km) |
| Ostrow Mazowiecka to Corciano | 800.98 mi (1,289.05 km) |
| Ostrow Mazowiecka to Cordenons | 625.92 mi (1,007.32 km) |
| Ostrow Mazowiecka to Cori | 877.05 mi (1,411.47 km) |
| Ostrow Mazowiecka to Coriano | 743.41 mi (1,196.40 km) |
| Ostrow Mazowiecka to Corigliano Calabro | 946.99 mi (1,524.04 km) |
| Ostrow Mazowiecka to Corleone | 1,114.51 mi (1,793.64 km) |
| Ostrow Mazowiecka to Cormano | 760.75 mi (1,224.31 km) |
| Ostrow Mazowiecka to Cornaredo | 767.73 mi (1,235.54 km) |
| Ostrow Mazowiecka to Cornate d'Adda | 745.69 mi (1,200.07 km) |
| Ostrow Mazowiecka to Cornedo Vicentino | 686.48 mi (1,104.78 km) |
| Ostrow Mazowiecka to Correggio | 749.30 mi (1,205.89 km) |
| Ostrow Mazowiecka to Corridonia | 763.99 mi (1,229.52 km) |
| Ostrow Mazowiecka to Corsico | 768.23 mi (1,236.34 km) |
