| Heerlen to Bombarral | 1,086.52 mi (1,748.59 km) |
| Heerlen to Bougado | 956.12 mi (1,538.72 km) |
| Heerlen to Braga | 940.32 mi (1,513.30 km) |
| Heerlen to Braganca | 870.94 mi (1,401.64 km) |
| Heerlen to Cabeceiras de Basto | 927.39 mi (1,492.49 km) |
| Heerlen to Cacem | 1,118.91 mi (1,800.72 km) |
| Heerlen to Cadaval | 1,086.64 mi (1,748.78 km) |
| Heerlen to Caldas da Rainha | 1,078.27 mi (1,735.31 km) |
| Heerlen to Calheta | 1,716.42 mi (2,762.31 km) |
| Heerlen to Camara de Lobos | 1,711.70 mi (2,754.71 km) |
| Heerlen to Canico | 1,710.37 mi (2,752.58 km) |
| Heerlen to Cantanhede | 1,009.57 mi (1,624.74 km) |
| Heerlen to Carregal do Sal | 985.35 mi (1,585.77 km) |
| Heerlen to Cartaxo | 1,081.05 mi (1,739.78 km) |
| Heerlen to Cascais | 1,126.31 mi (1,812.62 km) |
