| Boone to Benavente | 3,882.93 mi (6,248.98 km) |
| Boone to Bombarral | 3,857.53 mi (6,208.10 km) |
| Boone to Bougado | 3,835.57 mi (6,172.75 km) |
| Boone to Braga | 3,837.16 mi (6,175.31 km) |
| Boone to Braganca | 3,911.04 mi (6,294.21 km) |
| Boone to Cabeceiras de Basto | 3,857.10 mi (6,207.41 km) |
| Boone to Cacem | 3,862.61 mi (6,216.27 km) |
| Boone to Cadaval | 3,861.17 mi (6,213.95 km) |
| Boone to Caldas da Rainha | 3,854.98 mi (6,203.99 km) |
| Boone to Calheta | 3,613.29 mi (5,815.03 km) |
| Boone to Camara de Lobos | 3,624.16 mi (5,832.52 km) |
| Boone to Canico | 3,632.46 mi (5,845.87 km) |
| Boone to Cantanhede | 3,858.18 mi (6,209.14 km) |
| Boone to Carregal do Sal | 3,885.14 mi (6,252.53 km) |
| Boone to Cartaxo | 3,879.05 mi (6,242.73 km) |
