| Fort Oglethorpe to Alenquer | 4,089.18 mi (6,580.90 km) |
| Fort Oglethorpe to Alfena | 4,057.90 mi (6,530.56 km) |
| Fort Oglethorpe to Alijo | 4,107.79 mi (6,610.85 km) |
| Fort Oglethorpe to Aljustrel | 4,161.62 mi (6,697.48 km) |
| Fort Oglethorpe to Almada | 4,091.72 mi (6,584.98 km) |
| Fort Oglethorpe to Almargem | 4,081.73 mi (6,568.91 km) |
| Fort Oglethorpe to Almeirim | 4,105.16 mi (6,606.62 km) |
| Fort Oglethorpe to Amadora | 4,086.59 mi (6,576.74 km) |
| Fort Oglethorpe to Amarante | 4,079.41 mi (6,565.18 km) |
| Fort Oglethorpe to Amares | 4,057.84 mi (6,530.46 km) |
| Fort Oglethorpe to Amora | 4,095.09 mi (6,590.41 km) |
| Fort Oglethorpe to Anadia | 4,082.54 mi (6,570.22 km) |
| Fort Oglethorpe to Angra do Heroismo | 3,167.36 mi (5,097.37 km) |
| Fort Oglethorpe to Ansiao | 4,095.71 mi (6,591.41 km) |
| Fort Oglethorpe to Anta | 4,058.79 mi (6,531.98 km) |
