| Oria to Alfena | 1,362.54 mi (2,192.80 km) |
| Oria to Alijo | 1,308.03 mi (2,105.07 km) |
| Oria to Aljustrel | 1,387.72 mi (2,233.31 km) |
| Oria to Almada | 1,426.54 mi (2,295.80 km) |
| Oria to Almargem | 1,429.80 mi (2,301.04 km) |
| Oria to Almeirim | 1,390.18 mi (2,237.27 km) |
| Oria to Amadora | 1,429.62 mi (2,300.75 km) |
| Oria to Amarante | 1,338.65 mi (2,154.35 km) |
| Oria to Amares | 1,349.93 mi (2,172.50 km) |
| Oria to Amora | 1,425.35 mi (2,293.88 km) |
| Oria to Anadia | 1,365.17 mi (2,197.03 km) |
| Oria to Angra do Heroismo | 2,365.90 mi (3,807.55 km) |
| Oria to Ansiao | 1,371.02 mi (2,206.45 km) |
| Oria to Anta | 1,369.61 mi (2,204.17 km) |
| Oria to Arcos de Valdevez | 1,352.89 mi (2,177.27 km) |
