| Crystal to Benavente | 4,159.03 mi (6,693.32 km) |
| Crystal to Bombarral | 4,131.42 mi (6,648.87 km) |
| Crystal to Bougado | 4,074.74 mi (6,557.66 km) |
| Crystal to Braga | 4,072.25 mi (6,553.65 km) |
| Crystal to Braganca | 4,132.28 mi (6,650.26 km) |
| Crystal to Cabeceiras de Basto | 4,090.04 mi (6,582.28 km) |
| Crystal to Cacem | 4,144.79 mi (6,670.40 km) |
| Crystal to Cadaval | 4,135.22 mi (6,654.99 km) |
| Crystal to Caldas da Rainha | 4,126.68 mi (6,641.25 km) |
| Crystal to Calheta | 4,033.18 mi (6,490.77 km) |
| Crystal to Camara de Lobos | 4,043.22 mi (6,506.93 km) |
| Crystal to Canico | 4,051.41 mi (6,520.12 km) |
| Crystal to Cantanhede | 4,112.53 mi (6,618.48 km) |
| Crystal to Carregal do Sal | 4,134.54 mi (6,653.91 km) |
| Crystal to Cartaxo | 4,152.35 mi (6,682.57 km) |
