| Serik to Cascais | 2,197.11 mi (3,535.91 km) |
| Serik to Castelo Branco | 2,084.44 mi (3,354.59 km) |
| Serik to Castro Daire | 2,099.06 mi (3,378.11 km) |
| Serik to Celorico de Basto | 2,099.61 mi (3,379.00 km) |
| Serik to Chamusca | 2,140.62 mi (3,444.99 km) |
| Serik to Chaves | 2,070.58 mi (3,332.27 km) |
| Serik to Cinfaes | 2,108.18 mi (3,392.78 km) |
| Serik to Coimbra | 2,129.99 mi (3,427.89 km) |
| Serik to Condeixa-a-Nova | 2,134.48 mi (3,435.12 km) |
| Serik to Corroios | 2,183.96 mi (3,514.75 km) |
| Serik to Coruche | 2,146.98 mi (3,455.23 km) |
| Serik to Costa de Caparica | 2,188.13 mi (3,521.45 km) |
| Serik to Covilha | 2,080.74 mi (3,348.62 km) |
| Serik to Eiras | 2,129.46 mi (3,427.04 km) |
| Serik to Elvas | 2,074.74 mi (3,338.98 km) |
