| Ostrow Mazowiecka to Casamassima | 851.39 mi (1,370.18 km) |
| Ostrow Mazowiecka to Casandrino | 894.80 mi (1,440.05 km) |
| Ostrow Mazowiecka to Casapulla | 885.58 mi (1,425.20 km) |
| Ostrow Mazowiecka to Casarano | 900.65 mi (1,449.46 km) |
| Ostrow Mazowiecka to Casatenovo | 748.53 mi (1,204.64 km) |
| Ostrow Mazowiecka to Casciana Terme | 823.04 mi (1,324.55 km) |
| Ostrow Mazowiecka to Cascina | 816.28 mi (1,313.67 km) |
| Ostrow Mazowiecka to Caselle Torinese | 831.10 mi (1,337.53 km) |
| Ostrow Mazowiecka to Caserta | 884.64 mi (1,423.69 km) |
| Ostrow Mazowiecka to Casier | 655.92 mi (1,055.60 km) |
| Ostrow Mazowiecka to Casorate Primo | 777.40 mi (1,251.10 km) |
| Ostrow Mazowiecka to Casoria | 896.02 mi (1,442.00 km) |
| Ostrow Mazowiecka to Cassano al Ionio | 937.32 mi (1,508.47 km) |
| Ostrow Mazowiecka to Cassano d'Adda | 749.84 mi (1,206.75 km) |
| Ostrow Mazowiecka to Cassano delle Murge | 857.80 mi (1,380.50 km) |
