| Troisdorf to Carovigno | 861.47 mi (1,386.40 km) |
| Troisdorf to Carpenedolo | 405.73 mi (652.96 km) |
| Troisdorf to Carpi | 451.16 mi (726.07 km) |
| Troisdorf to Carrara | 485.28 mi (780.98 km) |
| Troisdorf to Carugate | 377.38 mi (607.34 km) |
| Troisdorf to Casal di Principe | 754.79 mi (1,214.71 km) |
| Troisdorf to Casale Monferrato | 397.16 mi (639.17 km) |
| Troisdorf to Casale sul Sile | 431.88 mi (695.04 km) |
| Troisdorf to Casalecchio di Reno | 477.69 mi (768.76 km) |
| Troisdorf to Casalgrande | 461.52 mi (742.75 km) |
| Troisdorf to Casalmaggiore | 430.08 mi (692.15 km) |
| Troisdorf to Casalnuovo di Napoli | 765.71 mi (1,232.29 km) |
| Troisdorf to Casalpusterlengo | 406.22 mi (653.74 km) |
| Troisdorf to Casaluce | 757.25 mi (1,218.68 km) |
| Troisdorf to Casamassima | 826.16 mi (1,329.58 km) |
