| Vianden to Bombarral | 1,051.71 mi (1,692.56 km) |
| Vianden to Bougado | 925.38 mi (1,489.26 km) |
| Vianden to Braga | 909.90 mi (1,464.34 km) |
| Vianden to Braganca | 837.16 mi (1,347.27 km) |
| Vianden to Cabeceiras de Basto | 895.94 mi (1,441.87 km) |
| Vianden to Cacem | 1,083.31 mi (1,743.42 km) |
| Vianden to Cadaval | 1,051.62 mi (1,692.41 km) |
| Vianden to Caldas da Rainha | 1,043.74 mi (1,679.73 km) |
| Vianden to Calheta | 1,684.74 mi (2,711.33 km) |
| Vianden to Camara de Lobos | 1,679.67 mi (2,703.16 km) |
| Vianden to Canico | 1,678.05 mi (2,700.56 km) |
| Vianden to Cantanhede | 976.14 mi (1,570.94 km) |
| Vianden to Carregal do Sal | 950.75 mi (1,530.08 km) |
| Vianden to Cartaxo | 1,045.13 mi (1,681.97 km) |
| Vianden to Cascais | 1,090.79 mi (1,755.45 km) |
