| Ostrow Mazowiecka to Castrovillari | 936.66 mi (1,507.41 km) |
| Ostrow Mazowiecka to Catania | 1,106.76 mi (1,781.15 km) |
| Ostrow Mazowiecka to Catanzaro | 993.00 mi (1,598.09 km) |
| Ostrow Mazowiecka to Cattolica | 739.96 mi (1,190.84 km) |
| Ostrow Mazowiecka to Cava de' Tirreni | 901.75 mi (1,451.22 km) |
| Ostrow Mazowiecka to Cavallino | 879.94 mi (1,416.12 km) |
| Ostrow Mazowiecka to Cavarzere | 690.59 mi (1,111.39 km) |
| Ostrow Mazowiecka to Cave | 865.86 mi (1,393.46 km) |
| Ostrow Mazowiecka to Cavriago | 760.70 mi (1,224.23 km) |
| Ostrow Mazowiecka to Cavriglia | 799.48 mi (1,286.64 km) |
| Ostrow Mazowiecka to Cazzago San Martino | 730.57 mi (1,175.74 km) |
| Ostrow Mazowiecka to Ceccano | 872.78 mi (1,404.60 km) |
| Ostrow Mazowiecka to Cecina | 837.97 mi (1,348.58 km) |
| Ostrow Mazowiecka to Cefalu | 1,087.99 mi (1,750.94 km) |
| Ostrow Mazowiecka to Ceglie Messapico | 864.54 mi (1,391.35 km) |
