| Ostrow Mazowiecka to Carmignano | 795.31 mi (1,279.93 km) |
| Ostrow Mazowiecka to Carovigno | 859.33 mi (1,382.95 km) |
| Ostrow Mazowiecka to Carpenedolo | 728.55 mi (1,172.49 km) |
| Ostrow Mazowiecka to Carpi | 745.53 mi (1,199.82 km) |
| Ostrow Mazowiecka to Carrara | 807.66 mi (1,299.80 km) |
| Ostrow Mazowiecka to Carugate | 755.14 mi (1,215.28 km) |
| Ostrow Mazowiecka to Casal di Principe | 891.64 mi (1,434.96 km) |
| Ostrow Mazowiecka to Casale Monferrato | 805.33 mi (1,296.05 km) |
| Ostrow Mazowiecka to Casale sul Sile | 657.68 mi (1,058.43 km) |
| Ostrow Mazowiecka to Casalecchio di Reno | 750.16 mi (1,207.27 km) |
| Ostrow Mazowiecka to Casalgrande | 760.96 mi (1,224.65 km) |
| Ostrow Mazowiecka to Casalmaggiore | 749.07 mi (1,205.52 km) |
| Ostrow Mazowiecka to Casalnuovo di Napoli | 894.01 mi (1,438.77 km) |
| Ostrow Mazowiecka to Casalpusterlengo | 763.48 mi (1,228.70 km) |
| Ostrow Mazowiecka to Casaluce | 891.45 mi (1,434.65 km) |
