| Isabela to Cascais | 3,696.15 mi (5,948.37 km) |
| Isabela to Castelo Branco | 3,804.73 mi (6,123.11 km) |
| Isabela to Castro Daire | 3,788.56 mi (6,097.09 km) |
| Isabela to Celorico de Basto | 3,788.45 mi (6,096.92 km) |
| Isabela to Chamusca | 3,749.91 mi (6,034.90 km) |
| Isabela to Chaves | 3,818.16 mi (6,144.74 km) |
| Isabela to Cinfaes | 3,779.55 mi (6,082.60 km) |
| Isabela to Coimbra | 3,758.09 mi (6,048.07 km) |
| Isabela to Condeixa-a-Nova | 3,753.76 mi (6,041.09 km) |
| Isabela to Corroios | 3,709.94 mi (5,970.57 km) |
| Isabela to Coruche | 3,745.35 mi (6,027.57 km) |
| Isabela to Costa de Caparica | 3,705.55 mi (5,963.51 km) |
| Isabela to Covilha | 3,807.34 mi (6,127.33 km) |
| Isabela to Eiras | 3,758.57 mi (6,048.83 km) |
| Isabela to Elvas | 3,818.75 mi (6,145.68 km) |
