| Delaware to Cosham | 3,825.35 mi (6,156.31 km) |
| Delaware to Costessey | 3,864.86 mi (6,219.89 km) |
| Delaware to Cottingham | 3,772.72 mi (6,071.61 km) |
| Delaware to Coulsdon | 3,849.10 mi (6,194.52 km) |
| Delaware to Coventry | 3,766.00 mi (6,060.79 km) |
| Delaware to Cowdenbeath | 3,608.11 mi (5,806.68 km) |
| Delaware to Cowes | 3,818.22 mi (6,144.84 km) |
| Delaware to Cowley | 3,829.88 mi (6,163.59 km) |
| Delaware to Cowley | 3,795.36 mi (6,108.05 km) |
| Delaware to Cramlington | 3,696.55 mi (5,949.03 km) |
| Delaware to Cranleigh | 3,840.72 mi (6,181.05 km) |
| Delaware to Crawley | 3,853.04 mi (6,200.88 km) |
| Delaware to Crayford | 3,858.18 mi (6,209.14 km) |
| Delaware to Crewe | 3,712.33 mi (5,974.42 km) |
| Delaware to Crigglestone | 3,734.04 mi (6,009.36 km) |
