| Boppard to Castelo Branco | 1,026.33 mi (1,651.72 km) |
| Boppard to Castro Daire | 986.24 mi (1,587.20 km) |
| Boppard to Celorico de Basto | 964.95 mi (1,552.93 km) |
| Boppard to Chamusca | 1,084.92 mi (1,746.02 km) |
| Boppard to Chaves | 928.15 mi (1,493.71 km) |
| Boppard to Cinfaes | 983.66 mi (1,583.05 km) |
| Boppard to Coimbra | 1,038.70 mi (1,671.63 km) |
| Boppard to Condeixa-a-Nova | 1,046.03 mi (1,683.42 km) |
| Boppard to Corroios | 1,146.84 mi (1,845.65 km) |
| Boppard to Coruche | 1,107.11 mi (1,781.71 km) |
| Boppard to Costa de Caparica | 1,148.22 mi (1,847.88 km) |
| Boppard to Covilha | 1,002.04 mi (1,612.62 km) |
| Boppard to Eiras | 1,036.95 mi (1,668.81 km) |
| Boppard to Elvas | 1,065.46 mi (1,714.69 km) |
| Boppard to Entroncamento | 1,078.38 mi (1,735.48 km) |
