| Ostrow Mazowiecka to Clay Cross | 965.82 mi (1,554.33 km) |
| Ostrow Mazowiecka to Clayton | 977.15 mi (1,572.57 km) |
| Ostrow Mazowiecka to Clayton le Moors | 1,000.37 mi (1,609.94 km) |
| Ostrow Mazowiecka to Cleckheaton | 973.70 mi (1,567.02 km) |
| Ostrow Mazowiecka to Cleethorpes | 905.69 mi (1,457.56 km) |
| Ostrow Mazowiecka to Clevedon | 1,049.15 mi (1,688.45 km) |
| Ostrow Mazowiecka to Clifton | 958.73 mi (1,542.93 km) |
| Ostrow Mazowiecka to Clifton | 946.96 mi (1,523.98 km) |
| Ostrow Mazowiecka to Cliftonville | 872.44 mi (1,404.06 km) |
| Ostrow Mazowiecka to Clitheroe | 1,000.01 mi (1,609.35 km) |
| Ostrow Mazowiecka to Clydebank | 1,073.65 mi (1,727.87 km) |
| Ostrow Mazowiecka to Coalville | 968.64 mi (1,558.87 km) |
| Ostrow Mazowiecka to Coatbridge | 1,059.13 mi (1,704.50 km) |
| Ostrow Mazowiecka to Cobham | 949.18 mi (1,527.55 km) |
| Ostrow Mazowiecka to Cockermouth | 1,034.83 mi (1,665.39 km) |
