| Ronciglione to Castelo Branco | 1,038.89 mi (1,671.93 km) |
| Ronciglione to Castro Daire | 1,043.05 mi (1,678.63 km) |
| Ronciglione to Celorico de Basto | 1,040.05 mi (1,673.80 km) |
| Ronciglione to Chamusca | 1,098.28 mi (1,767.50 km) |
| Ronciglione to Chaves | 1,009.03 mi (1,623.88 km) |
| Ronciglione to Cinfaes | 1,050.49 mi (1,690.60 km) |
| Ronciglione to Coimbra | 1,079.25 mi (1,736.88 km) |
| Ronciglione to Condeixa-a-Nova | 1,084.51 mi (1,745.34 km) |
| Ronciglione to Corroios | 1,148.37 mi (1,848.12 km) |
| Ronciglione to Coruche | 1,108.88 mi (1,784.57 km) |
| Ronciglione to Costa de Caparica | 1,151.99 mi (1,853.95 km) |
| Ronciglione to Covilha | 1,030.53 mi (1,658.48 km) |
| Ronciglione to Eiras | 1,078.45 mi (1,735.60 km) |
| Ronciglione to Elvas | 1,040.89 mi (1,675.16 km) |
| Ronciglione to Entroncamento | 1,095.15 mi (1,762.48 km) |
