| Boppard to Alfena | 991.44 mi (1,595.57 km) |
| Boppard to Alijo | 950.97 mi (1,530.44 km) |
| Boppard to Aljustrel | 1,151.05 mi (1,852.44 km) |
| Boppard to Almada | 1,143.64 mi (1,840.51 km) |
| Boppard to Almargem | 1,138.83 mi (1,832.77 km) |
| Boppard to Almeirim | 1,097.43 mi (1,766.14 km) |
| Boppard to Amadora | 1,143.47 mi (1,840.24 km) |
| Boppard to Amarante | 973.07 mi (1,566.01 km) |
| Boppard to Amares | 966.15 mi (1,554.87 km) |
| Boppard to Amora | 1,145.10 mi (1,842.86 km) |
| Boppard to Anadia | 1,027.66 mi (1,653.85 km) |
| Boppard to Angra do Heroismo | 1,871.78 mi (3,012.34 km) |
| Boppard to Ansiao | 1,053.84 mi (1,695.99 km) |
| Boppard to Anta | 1,006.32 mi (1,619.51 km) |
| Boppard to Arcos de Valdevez | 958.50 mi (1,542.56 km) |
