| Butte to Benavente | 4,920.40 mi (7,918.61 km) |
| Butte to Bombarral | 4,892.22 mi (7,873.27 km) |
| Butte to Bougado | 4,815.29 mi (7,749.46 km) |
| Butte to Braga | 4,810.24 mi (7,741.33 km) |
| Butte to Braganca | 4,859.16 mi (7,820.07 km) |
| Butte to Cabeceiras de Basto | 4,826.04 mi (7,766.76 km) |
| Butte to Cacem | 4,910.35 mi (7,902.44 km) |
| Butte to Cadaval | 4,896.02 mi (7,879.38 km) |
| Butte to Caldas da Rainha | 4,886.26 mi (7,863.68 km) |
| Butte to Calheta | 4,877.72 mi (7,849.94 km) |
| Butte to Camara de Lobos | 4,887.17 mi (7,865.13 km) |
| Butte to Canico | 4,895.15 mi (7,877.99 km) |
| Butte to Cantanhede | 4,861.61 mi (7,824.00 km) |
| Butte to Carregal do Sal | 4,879.76 mi (7,853.22 km) |
| Butte to Cartaxo | 4,912.17 mi (7,905.37 km) |
