| Somero to Colchester | 1,048.72 mi (1,687.75 km) |
| Somero to Coleford | 1,163.67 mi (1,872.74 km) |
| Somero to Colne | 1,059.27 mi (1,704.73 km) |
| Somero to Colwyn Bay | 1,132.73 mi (1,822.96 km) |
| Somero to Congleton | 1,089.76 mi (1,753.79 km) |
| Somero to Conisbrough | 1,044.11 mi (1,680.33 km) |
| Somero to Connahs Quay | 1,114.72 mi (1,793.96 km) |
| Somero to Consett | 1,008.42 mi (1,622.89 km) |
| Somero to Conwy | 1,137.42 mi (1,830.50 km) |
| Somero to Cookstown | 1,180.31 mi (1,899.53 km) |
| Somero to Corby | 1,070.95 mi (1,723.53 km) |
| Somero to Corfe Mullen | 1,193.10 mi (1,920.10 km) |
| Somero to Corsham | 1,166.62 mi (1,877.49 km) |
| Somero to Coseley | 1,112.21 mi (1,789.94 km) |
| Somero to Cosham | 1,160.11 mi (1,867.02 km) |
