| Roanoke to Cascais | 3,741.86 mi (6,021.95 km) |
| Roanoke to Castelo Branco | 3,807.49 mi (6,127.56 km) |
| Roanoke to Castro Daire | 3,758.42 mi (6,048.59 km) |
| Roanoke to Celorico de Basto | 3,743.08 mi (6,023.91 km) |
| Roanoke to Chamusca | 3,771.25 mi (6,069.24 km) |
| Roanoke to Chaves | 3,759.70 mi (6,050.66 km) |
| Roanoke to Cinfaes | 3,743.68 mi (6,024.87 km) |
| Roanoke to Coimbra | 3,751.69 mi (6,037.76 km) |
| Roanoke to Condeixa-a-Nova | 3,750.62 mi (6,036.04 km) |
| Roanoke to Corroios | 3,757.37 mi (6,046.91 km) |
| Roanoke to Coruche | 3,779.41 mi (6,082.37 km) |
| Roanoke to Costa de Caparica | 3,752.36 mi (6,038.83 km) |
| Roanoke to Covilha | 3,795.31 mi (6,107.97 km) |
| Roanoke to Eiras | 3,751.15 mi (6,036.90 km) |
| Roanoke to Elvas | 3,850.08 mi (6,196.10 km) |
