| Oria to Arcozelo | 1,369.94 mi (2,204.71 km) |
| Oria to Arganil | 1,347.75 mi (2,169.00 km) |
| Oria to Arouca | 1,350.58 mi (2,173.54 km) |
| Oria to Arruda dos Vinhos | 1,416.97 mi (2,280.39 km) |
| Oria to Aveiro | 1,374.38 mi (2,211.85 km) |
| Oria to Aver-o-Mar | 1,373.84 mi (2,210.98 km) |
| Oria to Aves | 1,349.41 mi (2,171.67 km) |
| Oria to Azambuja | 1,405.23 mi (2,261.50 km) |
| Oria to Baiao | 1,337.69 mi (2,152.81 km) |
| Oria to Barcelos | 1,365.18 mi (2,197.05 km) |
| Oria to Barreiro | 1,421.96 mi (2,288.42 km) |
| Oria to Batalha | 1,393.54 mi (2,242.69 km) |
| Oria to Beja | 1,370.70 mi (2,205.93 km) |
| Oria to Belas | 1,430.95 mi (2,302.89 km) |
| Oria to Benavente | 1,403.25 mi (2,258.31 km) |
