| Oswego to Benavente | 4,036.59 mi (6,496.26 km) |
| Oswego to Bombarral | 4,009.64 mi (6,452.89 km) |
| Oswego to Bougado | 3,966.09 mi (6,382.80 km) |
| Oswego to Braga | 3,965.17 mi (6,381.33 km) |
| Oswego to Braganca | 4,031.07 mi (6,487.38 km) |
| Oswego to Cabeceiras de Basto | 3,983.94 mi (6,411.53 km) |
| Oswego to Cacem | 4,019.88 mi (6,469.37 km) |
| Oswego to Cadaval | 4,013.40 mi (6,458.95 km) |
| Oswego to Caldas da Rainha | 4,005.72 mi (6,446.58 km) |
| Oswego to Calheta | 3,854.41 mi (6,203.08 km) |
| Oswego to Camara de Lobos | 3,864.83 mi (6,219.85 km) |
| Oswego to Canico | 3,873.12 mi (6,233.19 km) |
| Oswego to Cantanhede | 3,998.23 mi (6,434.53 km) |
| Oswego to Carregal do Sal | 4,022.34 mi (6,473.32 km) |
| Oswego to Cartaxo | 4,030.95 mi (6,487.19 km) |
