| Sulphur to Cockermouth | 4,542.81 mi (7,310.95 km) |
| Sulphur to Colchester | 4,775.22 mi (7,684.97 km) |
| Sulphur to Coleford | 4,638.04 mi (7,464.21 km) |
| Sulphur to Colne | 4,606.35 mi (7,413.21 km) |
| Sulphur to Colwyn Bay | 4,560.33 mi (7,339.13 km) |
| Sulphur to Congleton | 4,621.10 mi (7,436.94 km) |
| Sulphur to Conisbrough | 4,651.78 mi (7,486.32 km) |
| Sulphur to Connahs Quay | 4,587.06 mi (7,382.16 km) |
| Sulphur to Consett | 4,596.24 mi (7,396.93 km) |
| Sulphur to Conwy | 4,555.47 mi (7,331.32 km) |
| Sulphur to Cookstown | 4,414.07 mi (7,103.76 km) |
| Sulphur to Corby | 4,696.77 mi (7,558.72 km) |
| Sulphur to Corfe Mullen | 4,687.22 mi (7,543.35 km) |
| Sulphur to Corsham | 4,664.03 mi (7,506.02 km) |
| Sulphur to Coseley | 4,640.97 mi (7,468.92 km) |
