| Rockville Centre to Alenquer | 3,349.02 mi (5,389.72 km) |
| Rockville Centre to Alfena | 3,314.04 mi (5,333.43 km) |
| Rockville Centre to Alijo | 3,363.51 mi (5,413.05 km) |
| Rockville Centre to Aljustrel | 3,423.16 mi (5,509.05 km) |
| Rockville Centre to Almada | 3,352.38 mi (5,395.14 km) |
| Rockville Centre to Almargem | 3,342.13 mi (5,378.64 km) |
| Rockville Centre to Almeirim | 3,364.47 mi (5,414.60 km) |
| Rockville Centre to Amadora | 3,347.20 mi (5,386.80 km) |
| Rockville Centre to Amarante | 3,335.35 mi (5,367.73 km) |
| Rockville Centre to Amares | 3,313.47 mi (5,332.51 km) |
| Rockville Centre to Amora | 3,355.83 mi (5,400.69 km) |
| Rockville Centre to Anadia | 3,339.73 mi (5,374.78 km) |
| Rockville Centre to Angra do Heroismo | 2,444.33 mi (3,933.76 km) |
| Rockville Centre to Ansiao | 3,353.69 mi (5,397.25 km) |
| Rockville Centre to Anta | 3,315.26 mi (5,335.39 km) |
