| San Marino to Cockermouth | 5,188.93 mi (8,350.77 km) |
| San Marino to Colchester | 5,447.22 mi (8,766.45 km) |
| San Marino to Coleford | 5,338.81 mi (8,591.98 km) |
| San Marino to Colne | 5,261.28 mi (8,467.21 km) |
| San Marino to Colwyn Bay | 5,237.80 mi (8,429.43 km) |
| San Marino to Congleton | 5,290.76 mi (8,514.66 km) |
| San Marino to Conisbrough | 5,307.71 mi (8,541.94 km) |
| San Marino to Connahs Quay | 5,261.55 mi (8,467.64 km) |
| San Marino to Consett | 5,227.80 mi (8,413.34 km) |
| San Marino to Conwy | 5,234.06 mi (8,423.41 km) |
| San Marino to Cookstown | 5,082.57 mi (8,179.61 km) |
| San Marino to Corby | 5,369.12 mi (8,640.77 km) |
| San Marino to Corfe Mullen | 5,404.16 mi (8,697.16 km) |
| San Marino to Corsham | 5,368.86 mi (8,640.34 km) |
| San Marino to Coseley | 5,322.29 mi (8,565.40 km) |
