| Riverdale to Cockermouth | 4,025.70 mi (6,478.75 km) |
| Riverdale to Colchester | 4,249.78 mi (6,839.36 km) |
| Riverdale to Coleford | 4,109.00 mi (6,612.80 km) |
| Riverdale to Colne | 4,086.54 mi (6,576.65 km) |
| Riverdale to Colwyn Bay | 4,036.73 mi (6,496.49 km) |
| Riverdale to Congleton | 4,098.18 mi (6,595.38 km) |
| Riverdale to Conisbrough | 4,131.12 mi (6,648.39 km) |
| Riverdale to Connahs Quay | 4,063.68 mi (6,539.86 km) |
| Riverdale to Consett | 4,081.29 mi (6,568.21 km) |
| Riverdale to Conwy | 4,031.73 mi (6,488.44 km) |
| Riverdale to Cookstown | 3,894.37 mi (6,267.39 km) |
| Riverdale to Corby | 4,172.30 mi (6,714.67 km) |
| Riverdale to Corfe Mullen | 4,154.64 mi (6,686.24 km) |
| Riverdale to Corsham | 4,133.91 mi (6,652.89 km) |
| Riverdale to Coseley | 4,115.54 mi (6,623.32 km) |
