| Preakness to Benavente | 3,384.11 mi (5,446.20 km) |
| Preakness to Bombarral | 3,358.19 mi (5,404.49 km) |
| Preakness to Bougado | 3,330.45 mi (5,359.84 km) |
| Preakness to Braga | 3,331.45 mi (5,361.46 km) |
| Preakness to Braganca | 3,403.69 mi (5,477.71 km) |
| Preakness to Cabeceiras de Basto | 3,351.17 mi (5,393.18 km) |
| Preakness to Cacem | 3,364.82 mi (5,415.16 km) |
| Preakness to Cadaval | 3,361.88 mi (5,410.42 km) |
| Preakness to Caldas da Rainha | 3,355.24 mi (5,399.73 km) |
| Preakness to Calheta | 3,149.81 mi (5,069.12 km) |
| Preakness to Camara de Lobos | 3,160.46 mi (5,086.27 km) |
| Preakness to Canico | 3,168.77 mi (5,099.65 km) |
| Preakness to Cantanhede | 3,355.50 mi (5,400.16 km) |
| Preakness to Carregal do Sal | 3,381.78 mi (5,442.45 km) |
| Preakness to Cartaxo | 3,379.70 mi (5,439.11 km) |
