| Echternach to Cicero (Illinois) | 4,260.86 mi (6,857.19 km) |
| Echternach to Cimarron Hills (Colorado) | 5,019.52 mi (8,078.14 km) |
| Echternach to Cincinnati (Ohio) | 4,262.94 mi (6,860.54 km) |
| Echternach to Cinco Ranch (Texas) | 5,174.23 mi (8,327.12 km) |
| Echternach to Circleville (Ohio) | 4,179.31 mi (6,725.95 km) |
| Echternach to Citrus (California) | 5,713.00 mi (9,194.19 km) |
| Echternach to Citrus Heights (California) | 5,544.04 mi (8,922.27 km) |
| Echternach to Citrus Park (Florida) | 4,719.73 mi (7,595.67 km) |
| Echternach to Claiborne (Louisiana) | 4,889.78 mi (7,869.34 km) |
| Echternach to Claremont (California) | 5,707.08 mi (9,184.65 km) |
| Echternach to Claremont (New Hampshire) | 3,590.57 mi (5,778.47 km) |
| Echternach to Claremore (Oklahoma) | 4,828.07 mi (7,770.03 km) |
| Echternach to Clarksburg (Maryland) | 3,969.38 mi (6,388.10 km) |
| Echternach to Clarksburg (West Virginia) | 4,090.18 mi (6,582.50 km) |
| Echternach to Clarksdale (Mississippi) | 4,742.03 mi (7,631.57 km) |
