| Commack to Cockermouth | 3,238.08 mi (5,211.19 km) |
| Commack to Colchester | 3,459.66 mi (5,567.78 km) |
| Commack to Coleford | 3,318.29 mi (5,340.27 km) |
| Commack to Colne | 3,297.97 mi (5,307.57 km) |
| Commack to Colwyn Bay | 3,247.16 mi (5,225.80 km) |
| Commack to Congleton | 3,308.73 mi (5,324.89 km) |
| Commack to Conisbrough | 3,342.26 mi (5,378.85 km) |
| Commack to Connahs Quay | 3,274.14 mi (5,269.22 km) |
| Commack to Consett | 3,294.37 mi (5,301.78 km) |
| Commack to Conwy | 3,242.12 mi (5,217.69 km) |
| Commack to Cookstown | 3,106.03 mi (4,998.68 km) |
| Commack to Corby | 3,382.44 mi (5,443.50 km) |
| Commack to Corfe Mullen | 3,363.50 mi (5,413.03 km) |
| Commack to Corsham | 3,343.04 mi (5,380.10 km) |
| Commack to Coseley | 3,325.49 mi (5,351.86 km) |
