| Southgate to Cascais | 999.70 mi (1,608.86 km) |
| Southgate to Castelo Branco | 889.34 mi (1,431.26 km) |
| Southgate to Castro Daire | 828.85 mi (1,333.90 km) |
| Southgate to Celorico de Basto | 799.90 mi (1,287.31 km) |
| Southgate to Chamusca | 938.72 mi (1,510.72 km) |
| Southgate to Chaves | 766.05 mi (1,232.83 km) |
| Southgate to Cinfaes | 820.57 mi (1,320.58 km) |
| Southgate to Coimbra | 882.91 mi (1,420.91 km) |
| Southgate to Condeixa-a-Nova | 890.39 mi (1,432.95 km) |
| Southgate to Corroios | 999.44 mi (1,608.44 km) |
| Southgate to Coruche | 964.73 mi (1,552.58 km) |
| Southgate to Costa de Caparica | 999.33 mi (1,608.26 km) |
| Southgate to Covilha | 859.31 mi (1,382.93 km) |
| Southgate to Eiras | 880.84 mi (1,417.58 km) |
| Southgate to Elvas | 944.75 mi (1,520.43 km) |
