| Rock Island to Alenquer | 4,133.93 mi (6,652.92 km) |
| Rock Island to Alfena | 4,079.49 mi (6,565.30 km) |
| Rock Island to Alijo | 4,125.27 mi (6,638.98 km) |
| Rock Island to Aljustrel | 4,213.99 mi (6,781.76 km) |
| Rock Island to Almada | 4,140.58 mi (6,663.62 km) |
| Rock Island to Almargem | 4,129.40 mi (6,645.63 km) |
| Rock Island to Almeirim | 4,146.96 mi (6,673.89 km) |
| Rock Island to Amadora | 4,135.23 mi (6,655.00 km) |
| Rock Island to Amarante | 4,099.09 mi (6,596.85 km) |
| Rock Island to Amares | 4,075.01 mi (6,558.10 km) |
| Rock Island to Amora | 4,144.32 mi (6,669.64 km) |
| Rock Island to Anadia | 4,111.69 mi (6,617.13 km) |
| Rock Island to Angra do Heroismo | 3,279.98 mi (5,278.62 km) |
| Rock Island to Ansiao | 4,129.89 mi (6,646.42 km) |
| Rock Island to Anta | 4,083.00 mi (6,570.95 km) |
