| Rockford to Cockermouth | 3,765.77 mi (6,060.42 km) |
| Rockford to Colchester | 4,009.79 mi (6,453.13 km) |
| Rockford to Coleford | 3,880.74 mi (6,245.45 km) |
| Rockford to Colne | 3,833.01 mi (6,168.64 km) |
| Rockford to Colwyn Bay | 3,793.86 mi (6,105.62 km) |
| Rockford to Congleton | 3,852.82 mi (6,200.51 km) |
| Rockford to Conisbrough | 3,879.38 mi (6,243.27 km) |
| Rockford to Connahs Quay | 3,819.94 mi (6,147.60 km) |
| Rockford to Consett | 3,815.35 mi (6,140.22 km) |
| Rockford to Conwy | 3,789.31 mi (6,098.31 km) |
| Rockford to Cookstown | 3,642.54 mi (5,862.11 km) |
| Rockford to Corby | 3,930.42 mi (6,325.40 km) |
| Rockford to Corfe Mullen | 3,936.43 mi (6,335.08 km) |
| Rockford to Corsham | 3,908.53 mi (6,290.17 km) |
| Rockford to Coseley | 3,876.91 mi (6,239.29 km) |
