| Rietberg to Arcozelo | 1,096.02 mi (1,763.87 km) |
| Rietberg to Arganil | 1,120.32 mi (1,802.99 km) |
| Rietberg to Arouca | 1,088.79 mi (1,752.23 km) |
| Rietberg to Arruda dos Vinhos | 1,220.68 mi (1,964.49 km) |
| Rietberg to Aveiro | 1,118.35 mi (1,799.81 km) |
| Rietberg to Aver-o-Mar | 1,082.68 mi (1,742.40 km) |
| Rietberg to Aves | 1,064.46 mi (1,713.09 km) |
| Rietberg to Azambuja | 1,209.55 mi (1,946.58 km) |
| Rietberg to Baiao | 1,069.41 mi (1,721.04 km) |
| Rietberg to Barcelos | 1,071.60 mi (1,724.58 km) |
| Rietberg to Barreiro | 1,238.03 mi (1,992.42 km) |
| Rietberg to Batalha | 1,175.68 mi (1,892.07 km) |
| Rietberg to Beja | 1,235.99 mi (1,989.14 km) |
| Rietberg to Belas | 1,238.78 mi (1,993.62 km) |
| Rietberg to Benavente | 1,212.84 mi (1,951.88 km) |
