| South Houston to Benavente | 4,788.93 mi (7,707.03 km) |
| South Houston to Bombarral | 4,763.49 mi (7,666.10 km) |
| South Houston to Bougado | 4,740.30 mi (7,628.78 km) |
| South Houston to Braga | 4,741.66 mi (7,630.96 km) |
| South Houston to Braganca | 4,814.74 mi (7,748.57 km) |
| South Houston to Cabeceiras de Basto | 4,761.50 mi (7,662.90 km) |
| South Houston to Cacem | 4,768.63 mi (7,674.37 km) |
| South Houston to Cadaval | 4,767.13 mi (7,671.96 km) |
| South Houston to Caldas da Rainha | 4,760.91 mi (7,661.94 km) |
| South Houston to Calheta | 4,507.97 mi (7,254.88 km) |
| South Houston to Camara de Lobos | 4,518.93 mi (7,272.51 km) |
| South Houston to Canico | 4,527.20 mi (7,285.82 km) |
| South Houston to Cantanhede | 4,763.65 mi (7,666.36 km) |
| South Houston to Carregal do Sal | 4,790.45 mi (7,709.48 km) |
| South Houston to Cartaxo | 4,785.01 mi (7,700.74 km) |
