| Srem to Castelo Branco | 1,439.59 mi (2,316.80 km) |
| Srem to Castro Daire | 1,405.22 mi (2,261.49 km) |
| Srem to Celorico de Basto | 1,385.81 mi (2,230.24 km) |
| Srem to Chamusca | 1,499.59 mi (2,413.36 km) |
| Srem to Chaves | 1,348.99 mi (2,170.99 km) |
| Srem to Cinfaes | 1,403.87 mi (2,259.32 km) |
| Srem to Coimbra | 1,456.51 mi (2,344.02 km) |
| Srem to Condeixa-a-Nova | 1,463.68 mi (2,355.57 km) |
| Srem to Corroios | 1,560.82 mi (2,511.89 km) |
| Srem to Coruche | 1,520.35 mi (2,446.76 km) |
| Srem to Costa de Caparica | 1,562.59 mi (2,514.74 km) |
| Srem to Covilha | 1,417.29 mi (2,280.91 km) |
| Srem to Eiras | 1,454.85 mi (2,341.36 km) |
| Srem to Elvas | 1,473.01 mi (2,370.58 km) |
| Srem to Entroncamento | 1,493.45 mi (2,403.48 km) |
