| Troisdorf to Bombarral | 1,122.48 mi (1,806.45 km) |
| Troisdorf to Bougado | 994.45 mi (1,600.41 km) |
| Troisdorf to Braga | 978.82 mi (1,575.25 km) |
| Troisdorf to Braganca | 907.44 mi (1,460.39 km) |
| Troisdorf to Cabeceiras de Basto | 965.30 mi (1,553.49 km) |
| Troisdorf to Cacem | 1,154.38 mi (1,857.79 km) |
| Troisdorf to Cadaval | 1,122.47 mi (1,806.43 km) |
| Troisdorf to Caldas da Rainha | 1,114.40 mi (1,793.45 km) |
| Troisdorf to Calheta | 1,754.41 mi (2,823.46 km) |
| Troisdorf to Camara de Lobos | 1,749.49 mi (2,815.52 km) |
| Troisdorf to Canico | 1,747.99 mi (2,813.12 km) |
| Troisdorf to Cantanhede | 1,046.35 mi (1,683.94 km) |
| Troisdorf to Carregal do Sal | 1,021.40 mi (1,643.79 km) |
| Troisdorf to Cartaxo | 1,116.30 mi (1,796.51 km) |
| Troisdorf to Cascais | 1,161.83 mi (1,869.79 km) |
