| Osterburg to Arcozelo | 1,250.76 mi (2,012.91 km) |
| Osterburg to Arganil | 1,273.67 mi (2,049.77 km) |
| Osterburg to Arouca | 1,243.09 mi (2,000.56 km) |
| Osterburg to Arruda dos Vinhos | 1,373.71 mi (2,210.78 km) |
| Osterburg to Aveiro | 1,272.70 mi (2,048.21 km) |
| Osterburg to Aver-o-Mar | 1,237.81 mi (1,992.06 km) |
| Osterburg to Aves | 1,219.30 mi (1,962.28 km) |
| Osterburg to Azambuja | 1,362.46 mi (2,192.67 km) |
| Osterburg to Baiao | 1,223.76 mi (1,969.46 km) |
| Osterburg to Barcelos | 1,226.73 mi (1,974.23 km) |
| Osterburg to Barreiro | 1,390.72 mi (2,238.15 km) |
| Osterburg to Batalha | 1,329.16 mi (2,139.08 km) |
| Osterburg to Beja | 1,386.37 mi (2,231.15 km) |
| Osterburg to Belas | 1,391.81 mi (2,239.90 km) |
| Osterburg to Benavente | 1,365.57 mi (2,197.68 km) |
