| Ostrow Mazowiecka to Cervignano del Friuli | 616.55 mi (992.25 km) |
| Ostrow Mazowiecka to Cesa | 892.96 mi (1,437.09 km) |
| Ostrow Mazowiecka to Cesano Maderno | 757.48 mi (1,219.05 km) |
| Ostrow Mazowiecka to Cesena | 742.77 mi (1,195.37 km) |
| Ostrow Mazowiecka to Cesenatico | 735.19 mi (1,183.17 km) |
| Ostrow Mazowiecka to Cetraro | 961.24 mi (1,546.96 km) |
| Ostrow Mazowiecka to Cherasco | 849.52 mi (1,367.16 km) |
| Ostrow Mazowiecka to Chiampo | 692.08 mi (1,113.80 km) |
| Ostrow Mazowiecka to Chiaravalle | 746.96 mi (1,202.12 km) |
| Ostrow Mazowiecka to Chiari | 738.39 mi (1,188.33 km) |
| Ostrow Mazowiecka to Chiavari | 818.62 mi (1,317.44 km) |
| Ostrow Mazowiecka to Chieri | 832.98 mi (1,340.55 km) |
| Ostrow Mazowiecka to Chieti | 805.91 mi (1,296.99 km) |
| Ostrow Mazowiecka to Chioggia | 680.30 mi (1,094.84 km) |
| Ostrow Mazowiecka to Chiusi | 816.44 mi (1,313.93 km) |
