| Ostrow Mazowiecka to Chambray-les-Tours | 1,007.87 mi (1,622.01 km) |
| Ostrow Mazowiecka to Chamonix-Mont-Blanc | 824.04 mi (1,326.16 km) |
| Ostrow Mazowiecka to Champigny-sur-Marne | 886.75 mi (1,427.08 km) |
| Ostrow Mazowiecka to Champs-Sur-Marne | 882.11 mi (1,419.62 km) |
| Ostrow Mazowiecka to Chanteloup-les-Vignes | 902.01 mi (1,451.65 km) |
| Ostrow Mazowiecka to Chantepie | 1,079.09 mi (1,736.62 km) |
| Ostrow Mazowiecka to Chantilly | 878.36 mi (1,413.58 km) |
| Ostrow Mazowiecka to Chaponost | 912.27 mi (1,468.15 km) |
| Ostrow Mazowiecka to Charenton-le-Pont | 891.02 mi (1,433.96 km) |
| Ostrow Mazowiecka to Charleville-Mezieres | 769.38 mi (1,238.19 km) |
| Ostrow Mazowiecka to Chartres | 940.02 mi (1,512.81 km) |
| Ostrow Mazowiecka to Chassieu | 902.36 mi (1,452.21 km) |
| Ostrow Mazowiecka to Chateau-d'Olonne | 1,136.75 mi (1,829.42 km) |
| Ostrow Mazowiecka to Chateau-Gontier | 1,049.54 mi (1,689.07 km) |
| Ostrow Mazowiecka to Chateau-Thierry | 843.55 mi (1,357.56 km) |
