| Delaware to Cockermouth | 3,639.88 mi (5,857.82 km) |
| Delaware to Colchester | 3,874.13 mi (6,234.81 km) |
| Delaware to Coleford | 3,738.38 mi (6,016.35 km) |
| Delaware to Colne | 3,703.91 mi (5,960.86 km) |
| Delaware to Colwyn Bay | 3,658.86 mi (5,888.36 km) |
| Delaware to Congleton | 3,719.39 mi (5,985.78 km) |
| Delaware to Conisbrough | 3,749.50 mi (6,034.23 km) |
| Delaware to Connahs Quay | 3,685.51 mi (5,931.26 km) |
| Delaware to Consett | 3,692.97 mi (5,943.26 km) |
| Delaware to Conwy | 3,654.05 mi (5,880.62 km) |
| Delaware to Cookstown | 3,511.72 mi (5,651.56 km) |
| Delaware to Corby | 3,795.45 mi (6,108.19 km) |
| Delaware to Corfe Mullen | 3,789.09 mi (6,097.95 km) |
| Delaware to Corsham | 3,764.79 mi (6,058.84 km) |
| Delaware to Coseley | 3,740.00 mi (6,018.94 km) |
