| Ostrow Mazowiecka to Cavaillon | 987.63 mi (1,589.43 km) |
| Ostrow Mazowiecka to Cebazat | 969.89 mi (1,560.88 km) |
| Ostrow Mazowiecka to Cenon | 1,151.69 mi (1,853.46 km) |
| Ostrow Mazowiecka to Cergy | 899.03 mi (1,446.85 km) |
| Ostrow Mazowiecka to Cernay | 733.80 mi (1,180.94 km) |
| Ostrow Mazowiecka to Cesson | 890.83 mi (1,433.65 km) |
| Ostrow Mazowiecka to Cesson-Sevigne | 1,077.57 mi (1,734.19 km) |
| Ostrow Mazowiecka to Cestas | 1,162.28 mi (1,870.51 km) |
| Ostrow Mazowiecka to Chalette-sur-Loing | 903.04 mi (1,453.30 km) |
| Ostrow Mazowiecka to Challans | 1,130.45 mi (1,819.28 km) |
| Ostrow Mazowiecka to Chalon-sur-Saone | 863.67 mi (1,389.95 km) |
| Ostrow Mazowiecka to Chalons-en-Champagne | 806.78 mi (1,298.39 km) |
| Ostrow Mazowiecka to Chamalieres | 973.55 mi (1,566.78 km) |
| Ostrow Mazowiecka to Chambery | 874.91 mi (1,408.03 km) |
| Ostrow Mazowiecka to Chambly | 887.70 mi (1,428.62 km) |
