| Huntsville to Benavente | 4,179.24 mi (6,725.83 km) |
| Huntsville to Bombarral | 4,153.70 mi (6,684.73 km) |
| Huntsville to Bougado | 4,129.75 mi (6,646.19 km) |
| Huntsville to Braga | 4,131.08 mi (6,648.33 km) |
| Huntsville to Braganca | 4,204.17 mi (6,765.96 km) |
| Huntsville to Cabeceiras de Basto | 4,150.92 mi (6,680.26 km) |
| Huntsville to Cacem | 4,159.17 mi (6,693.53 km) |
| Huntsville to Cadaval | 4,157.34 mi (6,690.60 km) |
| Huntsville to Caldas da Rainha | 4,151.03 mi (6,680.44 km) |
| Huntsville to Calheta | 3,911.77 mi (6,295.39 km) |
| Huntsville to Camara de Lobos | 3,922.65 mi (6,312.89 km) |
| Huntsville to Canico | 3,930.94 mi (6,326.24 km) |
| Huntsville to Cantanhede | 4,153.31 mi (6,684.11 km) |
| Huntsville to Carregal do Sal | 4,180.03 mi (6,727.11 km) |
| Huntsville to Cartaxo | 4,175.22 mi (6,719.36 km) |
