| Ronciglione to Bombarral | 1,134.25 mi (1,825.40 km) |
| Ronciglione to Bougado | 1,069.14 mi (1,720.62 km) |
| Ronciglione to Braga | 1,059.48 mi (1,705.07 km) |
| Ronciglione to Braganca | 972.04 mi (1,564.36 km) |
| Ronciglione to Cabeceiras de Basto | 1,039.12 mi (1,672.30 km) |
| Ronciglione to Cacem | 1,152.82 mi (1,855.28 km) |
| Ronciglione to Cadaval | 1,132.15 mi (1,822.02 km) |
| Ronciglione to Caldas da Rainha | 1,130.40 mi (1,819.21 km) |
| Ronciglione to Calheta | 1,729.67 mi (2,783.64 km) |
| Ronciglione to Camara de Lobos | 1,721.40 mi (2,770.33 km) |
| Ronciglione to Canico | 1,716.98 mi (2,763.21 km) |
| Ronciglione to Cantanhede | 1,085.39 mi (1,746.77 km) |
| Ronciglione to Carregal do Sal | 1,053.60 mi (1,695.60 km) |
| Ronciglione to Cartaxo | 1,117.76 mi (1,798.86 km) |
| Ronciglione to Cascais | 1,159.94 mi (1,866.75 km) |
