| Fort Oglethorpe to Arcos de Valdevez | 4,048.07 mi (6,514.74 km) |
| Fort Oglethorpe to Arcozelo | 4,056.88 mi (6,528.92 km) |
| Fort Oglethorpe to Arganil | 4,106.60 mi (6,608.94 km) |
| Fort Oglethorpe to Arouca | 4,079.11 mi (6,564.69 km) |
| Fort Oglethorpe to Arruda dos Vinhos | 4,088.42 mi (6,579.67 km) |
| Fort Oglethorpe to Aveiro | 4,066.91 mi (6,545.06 km) |
| Fort Oglethorpe to Aver-o-Mar | 4,042.00 mi (6,504.97 km) |
| Fort Oglethorpe to Aves | 4,063.81 mi (6,540.07 km) |
| Fort Oglethorpe to Azambuja | 4,096.21 mi (6,592.21 km) |
| Fort Oglethorpe to Baiao | 4,083.53 mi (6,571.81 km) |
| Fort Oglethorpe to Barcelos | 4,046.60 mi (6,512.38 km) |
| Fort Oglethorpe to Barreiro | 4,096.65 mi (6,592.92 km) |
| Fort Oglethorpe to Batalha | 4,084.47 mi (6,573.32 km) |
| Fort Oglethorpe to Beja | 4,172.67 mi (6,715.27 km) |
| Fort Oglethorpe to Belas | 4,083.59 mi (6,571.90 km) |
