| River Forest to Cockermouth | 3,738.23 mi (6,016.10 km) |
| River Forest to Colchester | 3,980.50 mi (6,405.99 km) |
| River Forest to Coleford | 3,850.03 mi (6,196.03 km) |
| River Forest to Colne | 3,804.89 mi (6,123.38 km) |
| River Forest to Colwyn Bay | 3,764.54 mi (6,058.44 km) |
| River Forest to Congleton | 3,823.85 mi (6,153.90 km) |
| River Forest to Conisbrough | 3,851.14 mi (6,197.81 km) |
| River Forest to Connahs Quay | 3,790.76 mi (6,100.63 km) |
| River Forest to Consett | 3,788.54 mi (6,097.07 km) |
| River Forest to Conwy | 3,759.94 mi (6,051.03 km) |
| River Forest to Cookstown | 3,613.93 mi (5,816.06 km) |
| River Forest to Corby | 3,901.20 mi (6,278.38 km) |
| River Forest to Corfe Mullen | 3,904.78 mi (6,284.13 km) |
| River Forest to Corsham | 3,877.57 mi (6,240.34 km) |
| River Forest to Coseley | 3,847.28 mi (6,191.59 km) |
