| Diekirch to Cloverly (Maryland) | 3,951.43 mi (6,359.22 km) |
| Diekirch to Clovis (California) | 5,597.48 mi (9,008.27 km) |
| Diekirch to Clovis (New Mexico) | 5,192.56 mi (8,356.62 km) |
| Diekirch to Clute (Texas) | 5,185.02 mi (8,344.49 km) |
| Diekirch to Coachella (California) | 5,672.18 mi (9,128.49 km) |
| Diekirch to Coalinga (California) | 5,656.51 mi (9,103.28 km) |
| Diekirch to Coamo (Puerto Rico) | 4,496.92 mi (7,237.09 km) |
| Diekirch to Coatesville (Pennsylvania) | 3,864.28 mi (6,218.96 km) |
| Diekirch to Cockeysville (Maryland) | 3,919.63 mi (6,308.04 km) |
| Diekirch to Cocoa (Florida) | 4,615.78 mi (7,428.38 km) |
| Diekirch to Cocoa Beach (Florida) | 4,612.25 mi (7,422.70 km) |
| Diekirch to Coconut Creek (Florida) | 4,694.94 mi (7,555.78 km) |
| Diekirch to Coeur d'Alene (Idaho) | 4,888.71 mi (7,867.62 km) |
| Diekirch to Cohoes (New York) | 3,658.68 mi (5,888.08 km) |
| Diekirch to Cold Springs (Nevada) | 5,438.07 mi (8,751.72 km) |
