| Ostrow Mazowiecka to Colchester | 885.31 mi (1,424.76 km) |
| Ostrow Mazowiecka to Coleford | 1,033.27 mi (1,662.89 km) |
| Ostrow Mazowiecka to Colne | 991.35 mi (1,595.43 km) |
| Ostrow Mazowiecka to Colwyn Bay | 1,058.21 mi (1,703.03 km) |
| Ostrow Mazowiecka to Congleton | 998.82 mi (1,607.44 km) |
| Ostrow Mazowiecka to Conisbrough | 955.48 mi (1,537.69 km) |
| Ostrow Mazowiecka to Connahs Quay | 1,032.66 mi (1,661.90 km) |
| Ostrow Mazowiecka to Consett | 973.26 mi (1,566.32 km) |
| Ostrow Mazowiecka to Conwy | 1,063.63 mi (1,711.74 km) |
| Ostrow Mazowiecka to Cookstown | 1,169.71 mi (1,882.47 km) |
| Ostrow Mazowiecka to Corby | 943.87 mi (1,519.01 km) |
| Ostrow Mazowiecka to Corfe Mullen | 1,026.99 mi (1,652.77 km) |
| Ostrow Mazowiecka to Corsham | 1,021.36 mi (1,643.73 km) |
| Ostrow Mazowiecka to Coseley | 1,000.22 mi (1,609.70 km) |
| Ostrow Mazowiecka to Cosham | 985.79 mi (1,586.48 km) |
