| Idar-Oberstein to Bombarral | 1,081.75 mi (1,740.91 km) |
| Idar-Oberstein to Bougado | 958.58 mi (1,542.68 km) |
| Idar-Oberstein to Braga | 943.34 mi (1,518.16 km) |
| Idar-Oberstein to Braganca | 868.45 mi (1,397.64 km) |
| Idar-Oberstein to Cabeceiras de Basto | 928.71 mi (1,494.62 km) |
| Idar-Oberstein to Cacem | 1,112.71 mi (1,790.73 km) |
| Idar-Oberstein to Cadaval | 1,081.51 mi (1,740.53 km) |
| Idar-Oberstein to Caldas da Rainha | 1,074.01 mi (1,728.45 km) |
| Idar-Oberstein to Calheta | 1,716.31 mi (2,762.14 km) |
| Idar-Oberstein to Camara de Lobos | 1,710.99 mi (2,753.58 km) |
| Idar-Oberstein to Canico | 1,709.18 mi (2,750.66 km) |
| Idar-Oberstein to Cantanhede | 1,007.35 mi (1,621.17 km) |
| Idar-Oberstein to Carregal do Sal | 981.16 mi (1,579.03 km) |
| Idar-Oberstein to Cartaxo | 1,074.36 mi (1,729.01 km) |
| Idar-Oberstein to Cascais | 1,120.23 mi (1,802.84 km) |
