| Rietberg to Alfena | 1,082.65 mi (1,742.36 km) |
| Rietberg to Alijo | 1,044.73 mi (1,681.32 km) |
| Rietberg to Aljustrel | 1,251.38 mi (2,013.90 km) |
| Rietberg to Almada | 1,240.28 mi (1,996.03 km) |
| Rietberg to Almargem | 1,234.83 mi (1,987.27 km) |
| Rietberg to Almeirim | 1,194.07 mi (1,921.67 km) |
| Rietberg to Amadora | 1,239.83 mi (1,995.31 km) |
| Rietberg to Amarante | 1,065.35 mi (1,714.52 km) |
| Rietberg to Amares | 1,056.60 mi (1,700.43 km) |
| Rietberg to Amora | 1,241.95 mi (1,998.72 km) |
| Rietberg to Anadia | 1,121.53 mi (1,804.92 km) |
| Rietberg to Angra do Heroismo | 1,931.60 mi (3,108.61 km) |
| Rietberg to Ansiao | 1,149.12 mi (1,849.33 km) |
| Rietberg to Anta | 1,098.01 mi (1,767.08 km) |
| Rietberg to Arcos de Valdevez | 1,047.93 mi (1,686.48 km) |
