| Siverek to Colchester | 2,088.23 mi (3,360.68 km) |
| Siverek to Coleford | 2,234.50 mi (3,596.07 km) |
| Siverek to Colne | 2,243.14 mi (3,609.99 km) |
| Siverek to Colwyn Bay | 2,296.71 mi (3,696.20 km) |
| Siverek to Congleton | 2,234.80 mi (3,596.57 km) |
| Siverek to Conisbrough | 2,199.52 mi (3,539.78 km) |
| Siverek to Connahs Quay | 2,269.67 mi (3,652.68 km) |
| Siverek to Consett | 2,245.71 mi (3,614.12 km) |
| Siverek to Conwy | 2,301.87 mi (3,704.51 km) |
| Siverek to Cookstown | 2,434.59 mi (3,918.10 km) |
| Siverek to Corby | 2,163.38 mi (3,481.62 km) |
| Siverek to Corfe Mullen | 2,198.53 mi (3,538.19 km) |
| Siverek to Corsham | 2,212.40 mi (3,560.51 km) |
| Siverek to Coseley | 2,221.18 mi (3,574.65 km) |
| Siverek to Cosham | 2,158.16 mi (3,473.23 km) |
