| Ostrow Mazowiecka to Chivasso | 822.09 mi (1,323.03 km) |
| Ostrow Mazowiecka to Ciampino | 874.45 mi (1,407.29 km) |
| Ostrow Mazowiecka to Cicciano | 887.41 mi (1,428.15 km) |
| Ostrow Mazowiecka to Cingoli | 763.92 mi (1,229.41 km) |
| Ostrow Mazowiecka to Cinisello Balsamo | 759.06 mi (1,221.59 km) |
| Ostrow Mazowiecka to Cinisi | 1,095.32 mi (1,762.75 km) |
| Ostrow Mazowiecka to Cirie | 829.92 mi (1,335.62 km) |
| Ostrow Mazowiecka to Ciro Marina | 955.19 mi (1,537.23 km) |
| Ostrow Mazowiecka to Cislago | 762.62 mi (1,227.32 km) |
| Ostrow Mazowiecka to Cisterna di Latina | 882.27 mi (1,419.88 km) |
| Ostrow Mazowiecka to Cisternino | 859.68 mi (1,383.52 km) |
| Ostrow Mazowiecka to Citta di Castello | 782.51 mi (1,259.33 km) |
| Ostrow Mazowiecka to Citta Sant'Angelo | 797.82 mi (1,283.96 km) |
| Ostrow Mazowiecka to Cittadella | 671.40 mi (1,080.52 km) |
| Ostrow Mazowiecka to Cittanova | 1,036.42 mi (1,667.96 km) |
