| Diyadin to Cascais | 2,804.07 mi (4,512.71 km) |
| Diyadin to Castelo Branco | 2,682.99 mi (4,317.86 km) |
| Diyadin to Castro Daire | 2,684.21 mi (4,319.81 km) |
| Diyadin to Celorico de Basto | 2,678.79 mi (4,311.09 km) |
| Diyadin to Chamusca | 2,742.51 mi (4,413.65 km) |
| Diyadin to Chaves | 2,646.11 mi (4,258.51 km) |
| Diyadin to Cinfaes | 2,690.58 mi (4,330.08 km) |
| Diyadin to Coimbra | 2,722.35 mi (4,381.20 km) |
| Diyadin to Condeixa-a-Nova | 2,727.80 mi (4,389.96 km) |
| Diyadin to Corroios | 2,792.35 mi (4,493.85 km) |
| Diyadin to Coruche | 2,753.02 mi (4,430.56 km) |
| Diyadin to Costa de Caparica | 2,796.03 mi (4,499.77 km) |
| Diyadin to Covilha | 2,673.92 mi (4,303.26 km) |
| Diyadin to Eiras | 2,721.48 mi (4,379.80 km) |
| Diyadin to Elvas | 2,684.45 mi (4,320.21 km) |
