| Troisdorf to Casandrino | 762.52 mi (1,227.17 km) |
| Troisdorf to Casapulla | 754.83 mi (1,214.79 km) |
| Troisdorf to Casarano | 915.45 mi (1,473.28 km) |
| Troisdorf to Casatenovo | 367.21 mi (590.97 km) |
| Troisdorf to Casciana Terme | 529.02 mi (851.38 km) |
| Troisdorf to Cascina | 517.76 mi (833.25 km) |
| Troisdorf to Caselle Torinese | 390.25 mi (628.04 km) |
| Troisdorf to Caserta | 755.91 mi (1,216.53 km) |
| Troisdorf to Casier | 428.09 mi (688.95 km) |
| Troisdorf to Casorate Primo | 389.53 mi (626.89 km) |
| Troisdorf to Casoria | 765.69 mi (1,232.26 km) |
| Troisdorf to Cassano al Ionio | 881.26 mi (1,418.24 km) |
| Troisdorf to Cassano d'Adda | 380.82 mi (612.87 km) |
| Troisdorf to Cassano delle Murge | 826.10 mi (1,329.48 km) |
| Troisdorf to Cassina de' Pecchi | 380.02 mi (611.58 km) |
