| Llanelli to Cascais | 932.25 mi (1,500.31 km) |
| Llanelli to Castelo Branco | 835.35 mi (1,344.37 km) |
| Llanelli to Castro Daire | 766.26 mi (1,233.18 km) |
| Llanelli to Celorico de Basto | 734.44 mi (1,181.96 km) |
| Llanelli to Chamusca | 877.09 mi (1,411.53 km) |
| Llanelli to Chaves | 704.48 mi (1,133.75 km) |
| Llanelli to Cinfaes | 755.07 mi (1,215.16 km) |
| Llanelli to Coimbra | 818.40 mi (1,317.09 km) |
| Llanelli to Condeixa-a-Nova | 825.60 mi (1,328.67 km) |
| Llanelli to Corroios | 934.57 mi (1,504.05 km) |
| Llanelli to Coruche | 904.13 mi (1,455.06 km) |
| Llanelli to Costa de Caparica | 933.63 mi (1,502.53 km) |
| Llanelli to Covilha | 803.61 mi (1,293.29 km) |
| Llanelli to Eiras | 816.25 mi (1,313.63 km) |
| Llanelli to Elvas | 897.22 mi (1,443.93 km) |
