| Oppeano to Alfena | 1,027.53 mi (1,653.66 km) |
| Oppeano to Alijo | 976.17 mi (1,570.99 km) |
| Oppeano to Aljustrel | 1,118.33 mi (1,799.78 km) |
| Oppeano to Almada | 1,136.27 mi (1,828.66 km) |
| Oppeano to Almargem | 1,135.78 mi (1,827.86 km) |
| Oppeano to Almeirim | 1,093.21 mi (1,759.35 km) |
| Oppeano to Amadora | 1,137.93 mi (1,831.32 km) |
| Oppeano to Amarante | 1,004.77 mi (1,617.02 km) |
| Oppeano to Amares | 1,008.58 mi (1,623.15 km) |
| Oppeano to Amora | 1,136.32 mi (1,828.73 km) |
| Oppeano to Anadia | 1,045.62 mi (1,682.76 km) |
| Oppeano to Angra do Heroismo | 2,004.87 mi (3,226.53 km) |
| Oppeano to Ansiao | 1,061.32 mi (1,708.03 km) |
| Oppeano to Anta | 1,038.50 mi (1,671.31 km) |
| Oppeano to Arcos de Valdevez | 1,007.05 mi (1,620.68 km) |
