| Opovo to Benavente | 1,548.98 mi (2,492.85 km) |
| Opovo to Bombarral | 1,557.50 mi (2,506.56 km) |
| Opovo to Bougado | 1,474.42 mi (2,372.86 km) |
| Opovo to Braga | 1,462.71 mi (2,354.00 km) |
| Opovo to Braganca | 1,375.88 mi (2,214.27 km) |
| Opovo to Cabeceiras de Basto | 1,443.41 mi (2,322.95 km) |
| Opovo to Cacem | 1,579.49 mi (2,541.95 km) |
| Opovo to Cadaval | 1,555.81 mi (2,503.84 km) |
| Opovo to Caldas da Rainha | 1,552.59 mi (2,498.65 km) |
| Opovo to Calheta | 2,169.72 mi (3,491.83 km) |
| Opovo to Camara de Lobos | 2,161.89 mi (3,479.22 km) |
| Opovo to Canico | 2,157.86 mi (3,472.74 km) |
| Opovo to Cantanhede | 1,500.64 mi (2,415.05 km) |
| Opovo to Carregal do Sal | 1,469.41 mi (2,364.78 km) |
| Opovo to Cartaxo | 1,542.81 mi (2,482.92 km) |
