| Sona to Castelo Branco | 1,006.69 mi (1,620.12 km) |
| Sona to Castro Daire | 993.51 mi (1,598.90 km) |
| Sona to Celorico de Basto | 983.24 mi (1,582.38 km) |
| Sona to Chamusca | 1,068.12 mi (1,718.98 km) |
| Sona to Chaves | 948.59 mi (1,526.60 km) |
| Sona to Cinfaes | 997.35 mi (1,605.08 km) |
| Sona to Coimbra | 1,037.59 mi (1,669.84 km) |
| Sona to Condeixa-a-Nova | 1,043.87 mi (1,679.94 km) |
| Sona to Corroios | 1,124.72 mi (1,810.06 km) |
| Sona to Coruche | 1,083.74 mi (1,744.12 km) |
| Sona to Costa de Caparica | 1,127.57 mi (1,814.65 km) |
| Sona to Covilha | 991.62 mi (1,595.86 km) |
| Sona to Eiras | 1,036.38 mi (1,667.90 km) |
| Sona to Elvas | 1,023.76 mi (1,647.59 km) |
| Sona to Entroncamento | 1,063.52 mi (1,711.57 km) |
