| Riverdale to Alenquer | 4,092.86 mi (6,586.82 km) |
| Riverdale to Alfena | 4,066.27 mi (6,544.03 km) |
| Riverdale to Alijo | 4,116.83 mi (6,625.39 km) |
| Riverdale to Aljustrel | 4,163.57 mi (6,700.61 km) |
| Riverdale to Almada | 4,094.57 mi (6,589.57 km) |
| Riverdale to Almargem | 4,084.85 mi (6,573.93 km) |
| Riverdale to Almeirim | 4,109.38 mi (6,613.41 km) |
| Riverdale to Amadora | 4,089.51 mi (6,581.43 km) |
| Riverdale to Amarante | 4,088.10 mi (6,579.16 km) |
| Riverdale to Amares | 4,067.08 mi (6,545.33 km) |
| Riverdale to Amora | 4,097.86 mi (6,594.87 km) |
| Riverdale to Anadia | 4,089.34 mi (6,581.16 km) |
| Riverdale to Angra do Heroismo | 3,160.49 mi (5,086.32 km) |
| Riverdale to Ansiao | 4,101.48 mi (6,600.69 km) |
| Riverdale to Anta | 4,066.63 mi (6,544.62 km) |
