| Troisdorf to Caño Martin Peña (Puerto Rico) | 4,510.14 mi (7,258.37 km) |
| Troisdorf to Cañon City (Colorado) | 5,038.97 mi (8,109.44 km) |
| Troisdorf to Canóvanas (Puerto Rico) | 4,506.78 mi (7,252.95 km) |
| Troisdorf to Canton (Georgia) | 4,497.21 mi (7,237.56 km) |
| Troisdorf to Canton (Illinois) | 4,397.48 mi (7,077.06 km) |
| Troisdorf to Canton (Mississippi) | 4,798.68 mi (7,722.73 km) |
| Troisdorf to Canton (Ohio) | 4,058.71 mi (6,531.87 km) |
| Troisdorf to Canyon (Texas) | 5,114.13 mi (8,230.40 km) |
| Troisdorf to Canyon Lake (California) | 5,691.11 mi (9,158.96 km) |
| Troisdorf to Canyon Lake (Texas) | 5,257.01 mi (8,460.34 km) |
| Troisdorf to Cape Coral (Florida) | 4,777.61 mi (7,688.82 km) |
| Troisdorf to Cape Girardeau (Missouri) | 4,541.36 mi (7,308.61 km) |
| Troisdorf to Carbondale (Illinois) | 4,508.09 mi (7,255.07 km) |
| Troisdorf to Carlisle (Pennsylvania) | 3,923.65 mi (6,314.50 km) |
| Troisdorf to Carlsbad (California) | 5,724.91 mi (9,213.35 km) |
