| Delaware to Butzbach | 4,219.49 mi (6,790.61 km) |
| Delaware to Buxtehude | 4,156.42 mi (6,689.11 km) |
| Delaware to Cadolzburg | 4,338.51 mi (6,982.15 km) |
| Delaware to Calbe | 4,285.65 mi (6,897.08 km) |
| Delaware to Calw | 4,281.37 mi (6,890.19 km) |
| Delaware to Castrop-Rauxel | 4,131.21 mi (6,648.55 km) |
| Delaware to Celle | 4,198.70 mi (6,757.15 km) |
| Delaware to Cham | 4,415.27 mi (7,105.69 km) |
| Delaware to Chemnitz | 4,366.04 mi (7,026.46 km) |
| Delaware to Clausthal-Zellerfeld | 4,235.94 mi (6,817.08 km) |
| Delaware to Cloppenburg | 4,116.59 mi (6,625.01 km) |
| Delaware to Coburg | 4,313.25 mi (6,941.51 km) |
| Delaware to Coesfeld | 4,112.62 mi (6,618.62 km) |
| Delaware to Cologne | 4,137.28 mi (6,658.31 km) |
| Delaware to Coswig | 4,379.69 mi (7,048.43 km) |
