| Sona to Bombarral | 1,102.22 mi (1,773.85 km) |
| Sona to Bougado | 1,011.21 mi (1,627.38 km) |
| Sona to Braga | 998.93 mi (1,607.63 km) |
| Sona to Braganca | 912.81 mi (1,469.02 km) |
| Sona to Cabeceiras de Basto | 980.06 mi (1,577.26 km) |
| Sona to Cacem | 1,126.47 mi (1,812.89 km) |
| Sona to Cadaval | 1,100.81 mi (1,771.59 km) |
| Sona to Caldas da Rainha | 1,096.64 mi (1,764.88 km) |
| Sona to Calheta | 1,726.39 mi (2,778.36 km) |
| Sona to Camara de Lobos | 1,719.21 mi (2,766.80 km) |
| Sona to Canico | 1,715.79 mi (2,761.30 km) |
| Sona to Cantanhede | 1,041.22 mi (1,675.68 km) |
| Sona to Carregal do Sal | 1,010.51 mi (1,626.25 km) |
| Sona to Cartaxo | 1,088.91 mi (1,752.43 km) |
| Sona to Cascais | 1,133.99 mi (1,824.98 km) |
