| Lake Oswego to Arcos de Valdevez | 5,176.80 mi (8,331.25 km) |
| Lake Oswego to Arcozelo | 5,210.19 mi (8,384.99 km) |
| Lake Oswego to Arganil | 5,273.93 mi (8,487.58 km) |
| Lake Oswego to Arouca | 5,230.10 mi (8,417.03 km) |
| Lake Oswego to Arruda dos Vinhos | 5,302.61 mi (8,533.73 km) |
| Lake Oswego to Aveiro | 5,231.69 mi (8,419.60 km) |
| Lake Oswego to Aver-o-Mar | 5,187.71 mi (8,348.81 km) |
| Lake Oswego to Aves | 5,201.94 mi (8,371.71 km) |
| Lake Oswego to Azambuja | 5,305.37 mi (8,538.17 km) |
| Lake Oswego to Baiao | 5,225.26 mi (8,409.25 km) |
| Lake Oswego to Barcelos | 5,187.11 mi (8,347.85 km) |
| Lake Oswego to Barreiro | 5,319.04 mi (8,560.16 km) |
| Lake Oswego to Batalha | 5,277.44 mi (8,493.22 km) |
| Lake Oswego to Beja | 5,394.12 mi (8,681.00 km) |
| Lake Oswego to Belas | 5,306.10 mi (8,539.34 km) |
