| Troisdorf to Caltanissetta | 981.26 mi (1,579.18 km) |
| Troisdorf to Calvisano | 405.33 mi (652.32 km) |
| Troisdorf to Calvizzano | 763.22 mi (1,228.28 km) |
| Troisdorf to Camaiore | 497.67 mi (800.93 km) |
| Troisdorf to Cameri | 373.69 mi (601.39 km) |
| Troisdorf to Camisano Vicentino | 422.00 mi (679.15 km) |
| Troisdorf to Campagna | 797.99 mi (1,284.24 km) |
| Troisdorf to Campagnano di Roma | 649.04 mi (1,044.52 km) |
| Troisdorf to Campi Bisenzio | 518.07 mi (833.75 km) |
| Troisdorf to Campi Salentina | 888.81 mi (1,430.40 km) |
| Troisdorf to Campiglia Marittima | 559.61 mi (900.60 km) |
| Troisdorf to Campobasso | 732.25 mi (1,178.44 km) |
| Troisdorf to Campobello di Licata | 994.64 mi (1,600.71 km) |
| Troisdorf to Campobello di Mazara | 951.33 mi (1,531.02 km) |
| Troisdorf to Campodarsego | 427.66 mi (688.25 km) |
