| Boo to Benavente | 1,837.61 mi (2,957.36 km) |
| Boo to Bombarral | 1,829.81 mi (2,944.80 km) |
| Boo to Bougado | 1,692.57 mi (2,723.94 km) |
| Boo to Braga | 1,676.32 mi (2,697.78 km) |
| Boo to Braganca | 1,614.32 mi (2,598.00 km) |
| Boo to Cabeceiras de Basto | 1,665.72 mi (2,680.72 km) |
| Boo to Cacem | 1,863.40 mi (2,998.86 km) |
| Boo to Cadaval | 1,830.30 mi (2,945.58 km) |
| Boo to Caldas da Rainha | 1,821.10 mi (2,930.77 km) |
| Boo to Calheta | 2,448.19 mi (3,939.99 km) |
| Boo to Camara de Lobos | 2,444.45 mi (3,933.96 km) |
| Boo to Canico | 2,443.90 mi (3,933.08 km) |
| Boo to Cantanhede | 1,750.90 mi (2,817.80 km) |
| Boo to Carregal do Sal | 1,729.06 mi (2,782.66 km) |
| Boo to Cartaxo | 1,826.33 mi (2,939.19 km) |
