| Echternach to Carson (California) | 5,740.52 mi (9,238.47 km) |
| Echternach to Carson City (Nevada) | 5,473.79 mi (8,809.21 km) |
| Echternach to Carteret (New Jersey) | 3,785.45 mi (6,092.10 km) |
| Echternach to Cartersville (Georgia) | 4,512.93 mi (7,262.86 km) |
| Echternach to Carthage (Missouri) | 4,737.34 mi (7,624.01 km) |
| Echternach to Cary (Illinois) | 4,261.87 mi (6,858.82 km) |
| Echternach to Cary (North Carolina) | 4,190.71 mi (6,744.29 km) |
| Echternach to Casa de Oro-Mount Helix (California) | 5,762.99 mi (9,274.63 km) |
| Echternach to Casa Grande (Arizona) | 5,585.70 mi (8,989.31 km) |
| Echternach to Casas Adobes (Arizona) | 5,592.26 mi (8,999.88 km) |
| Echternach to Cascades (Virginia) | 3,982.33 mi (6,408.94 km) |
| Echternach to Casper (Wyoming) | 4,859.60 mi (7,820.78 km) |
| Echternach to Casselberry (Florida) | 4,637.93 mi (7,464.03 km) |
| Echternach to Castaic (California) | 5,714.32 mi (9,196.31 km) |
| Echternach to Castle Pines (Colorado) | 4,992.99 mi (8,035.45 km) |
