| Oswego to Arcos de Valdevez | 3,955.25 mi (6,365.36 km) |
| Oswego to Arcozelo | 3,971.96 mi (6,392.26 km) |
| Oswego to Arganil | 4,027.32 mi (6,481.34 km) |
| Oswego to Arouca | 3,994.01 mi (6,427.74 km) |
| Oswego to Arruda dos Vinhos | 4,023.65 mi (6,475.44 km) |
| Oswego to Aveiro | 3,985.85 mi (6,414.60 km) |
| Oswego to Aver-o-Mar | 3,954.33 mi (6,363.87 km) |
| Oswego to Aves | 3,974.31 mi (6,396.04 km) |
| Oswego to Azambuja | 4,030.00 mi (6,485.66 km) |
| Oswego to Baiao | 3,995.65 mi (6,430.38 km) |
| Oswego to Barcelos | 3,957.42 mi (6,368.85 km) |
| Oswego to Barreiro | 4,034.73 mi (6,493.27 km) |
| Oswego to Batalha | 4,012.79 mi (6,457.96 km) |
| Oswego to Beja | 4,112.22 mi (6,617.99 km) |
| Oswego to Belas | 4,021.40 mi (6,471.82 km) |
