| Bethesda to Cockermouth | 3,474.32 mi (5,591.38 km) |
| Bethesda to Colchester | 3,697.62 mi (5,950.75 km) |
| Bethesda to Coleford | 3,556.79 mi (5,724.10 km) |
| Bethesda to Colne | 3,534.81 mi (5,688.73 km) |
| Bethesda to Colwyn Bay | 3,484.70 mi (5,608.08 km) |
| Bethesda to Congleton | 3,546.18 mi (5,707.02 km) |
| Bethesda to Conisbrough | 3,579.30 mi (5,760.32 km) |
| Bethesda to Connahs Quay | 3,511.65 mi (5,651.46 km) |
| Bethesda to Consett | 3,530.20 mi (5,681.30 km) |
| Bethesda to Conwy | 3,479.68 mi (5,600.01 km) |
| Bethesda to Cookstown | 3,342.72 mi (5,379.58 km) |
| Bethesda to Corby | 3,620.20 mi (5,826.14 km) |
| Bethesda to Corfe Mullen | 3,602.54 mi (5,797.72 km) |
| Bethesda to Corsham | 3,581.71 mi (5,764.21 km) |
| Bethesda to Coseley | 3,563.39 mi (5,734.73 km) |
