| Monte Porzio Catone to Bombarral | 1,158.59 mi (1,864.58 km) |
| Monte Porzio Catone to Bougado | 1,097.35 mi (1,766.02 km) |
| Monte Porzio Catone to Braga | 1,088.07 mi (1,751.08 km) |
| Monte Porzio Catone to Braganca | 1,000.80 mi (1,610.63 km) |
| Monte Porzio Catone to Cabeceiras de Basto | 1,067.58 mi (1,718.11 km) |
| Monte Porzio Catone to Cacem | 1,176.25 mi (1,893.00 km) |
| Monte Porzio Catone to Cadaval | 1,156.40 mi (1,861.05 km) |
| Monte Porzio Catone to Caldas da Rainha | 1,155.01 mi (1,858.81 km) |
| Monte Porzio Catone to Calheta | 1,748.07 mi (2,813.25 km) |
| Monte Porzio Catone to Camara de Lobos | 1,739.64 mi (2,799.69 km) |
| Monte Porzio Catone to Canico | 1,735.06 mi (2,792.32 km) |
| Monte Porzio Catone to Cantanhede | 1,111.66 mi (1,789.04 km) |
| Monte Porzio Catone to Carregal do Sal | 1,079.82 mi (1,737.81 km) |
| Monte Porzio Catone to Cartaxo | 1,141.69 mi (1,837.38 km) |
| Monte Porzio Catone to Cascais | 1,183.29 mi (1,904.33 km) |
