| Diekirch to Carson (California) | 5,729.55 mi (9,220.83 km) |
| Diekirch to Carson City (Nevada) | 5,463.25 mi (8,792.25 km) |
| Diekirch to Carteret (New Jersey) | 3,773.07 mi (6,072.16 km) |
| Diekirch to Cartersville (Georgia) | 4,500.57 mi (7,242.96 km) |
| Diekirch to Carthage (Missouri) | 4,725.29 mi (7,604.62 km) |
| Diekirch to Cary (Illinois) | 4,249.84 mi (6,839.46 km) |
| Diekirch to Cary (North Carolina) | 4,178.30 mi (6,724.32 km) |
| Diekirch to Casa de Oro-Mount Helix (California) | 5,751.87 mi (9,256.75 km) |
| Diekirch to Casa Grande (Arizona) | 5,574.26 mi (8,970.90 km) |
| Diekirch to Casas Adobes (Arizona) | 5,580.75 mi (8,981.35 km) |
| Diekirch to Cascades (Virginia) | 3,969.95 mi (6,389.02 km) |
| Diekirch to Casper (Wyoming) | 4,848.40 mi (7,802.75 km) |
| Diekirch to Casselberry (Florida) | 4,625.50 mi (7,444.02 km) |
| Diekirch to Castaic (California) | 5,703.42 mi (9,178.77 km) |
| Diekirch to Castle Pines (Colorado) | 4,981.51 mi (8,016.97 km) |
