| Mettlach to Carson (California) | 5,761.98 mi (9,273.00 km) |
| Mettlach to Carson City (Nevada) | 5,495.84 mi (8,844.70 km) |
| Mettlach to Carteret (New Jersey) | 3,801.51 mi (6,117.94 km) |
| Mettlach to Cartersville (Georgia) | 4,529.26 mi (7,289.14 km) |
| Mettlach to Carthage (Missouri) | 4,755.92 mi (7,653.91 km) |
| Mettlach to Cary (Illinois) | 4,280.53 mi (6,888.85 km) |
| Mettlach to Cary (North Carolina) | 4,206.30 mi (6,769.38 km) |
| Mettlach to Casa de Oro-Mount Helix (California) | 5,784.19 mi (9,308.75 km) |
| Mettlach to Casa Grande (Arizona) | 5,606.23 mi (9,022.36 km) |
| Mettlach to Casas Adobes (Arizona) | 5,612.63 mi (9,032.65 km) |
| Mettlach to Cascades (Virginia) | 3,998.51 mi (6,434.98 km) |
| Mettlach to Casper (Wyoming) | 4,880.65 mi (7,854.64 km) |
| Mettlach to Casselberry (Florida) | 4,652.24 mi (7,487.05 km) |
| Mettlach to Castaic (California) | 5,735.88 mi (9,231.01 km) |
| Mettlach to Castle Pines (Colorado) | 5,013.43 mi (8,068.34 km) |
