| Obidos to Colchester | 990.99 mi (1,594.84 km) |
| Obidos to Coleford | 914.52 mi (1,471.78 km) |
| Obidos to Colne | 1,053.82 mi (1,695.96 km) |
| Obidos to Colwyn Bay | 996.47 mi (1,603.66 km) |
| Obidos to Congleton | 1,008.58 mi (1,623.15 km) |
| Obidos to Conisbrough | 1,044.69 mi (1,681.26 km) |
| Obidos to Connahs Quay | 1,000.04 mi (1,609.41 km) |
| Obidos to Consett | 1,123.01 mi (1,807.31 km) |
| Obidos to Conwy | 994.24 mi (1,600.07 km) |
| Obidos to Cookstown | 1,062.30 mi (1,709.60 km) |
| Obidos to Corby | 992.45 mi (1,597.19 km) |
| Obidos to Corfe Mullen | 861.08 mi (1,385.77 km) |
| Obidos to Corsham | 899.34 mi (1,447.34 km) |
| Obidos to Coseley | 971.62 mi (1,563.67 km) |
| Obidos to Cosham | 884.95 mi (1,424.19 km) |
