| Oregon to Benavente | 3,808.16 mi (6,128.65 km) |
| Oregon to Bombarral | 3,781.50 mi (6,085.74 km) |
| Oregon to Bougado | 3,742.85 mi (6,023.54 km) |
| Oregon to Braga | 3,742.54 mi (6,023.04 km) |
| Oregon to Braganca | 3,810.53 mi (6,132.46 km) |
| Oregon to Cabeceiras de Basto | 3,761.63 mi (6,053.76 km) |
| Oregon to Cacem | 3,790.63 mi (6,100.43 km) |
| Oregon to Cadaval | 3,785.25 mi (6,091.77 km) |
| Oregon to Caldas da Rainha | 3,777.88 mi (6,079.91 km) |
| Oregon to Calheta | 3,609.72 mi (5,809.28 km) |
| Oregon to Camara de Lobos | 3,620.21 mi (5,826.17 km) |
| Oregon to Canico | 3,628.51 mi (5,839.53 km) |
| Oregon to Cantanhede | 3,772.81 mi (6,071.76 km) |
| Oregon to Carregal do Sal | 3,797.64 mi (6,111.71 km) |
| Oregon to Cartaxo | 3,802.91 mi (6,120.19 km) |
