| Somma Lombardo to Santiago do Cacem | 1,037.17 mi (1,669.17 km) |
| Somma Lombardo to Santo Andre | 1,038.01 mi (1,670.52 km) |
| Somma Lombardo to Santo Tirso | 909.07 mi (1,463.01 km) |
| Somma Lombardo to Sao Bras de Alportel | 1,038.81 mi (1,671.80 km) |
| Somma Lombardo to Sao Felix da Marinha | 925.33 mi (1,489.18 km) |
| Somma Lombardo to Sao Joao da Madeira | 923.27 mi (1,485.86 km) |
| Somma Lombardo to Sao Joao de Ver | 924.41 mi (1,487.70 km) |
| Somma Lombardo to Sao Mamede de Infesta | 919.27 mi (1,479.42 km) |
| Somma Lombardo to Sao Pedro do Sul | 908.27 mi (1,461.72 km) |
| Somma Lombardo to Satao | 893.36 mi (1,437.73 km) |
| Somma Lombardo to Seia | 902.23 mi (1,451.99 km) |
| Somma Lombardo to Senhora da Hora | 922.08 mi (1,483.94 km) |
| Somma Lombardo to Serpa | 992.27 mi (1,596.90 km) |
| Somma Lombardo to Serta | 941.97 mi (1,515.95 km) |
| Somma Lombardo to Sesimbra | 1,037.78 mi (1,670.15 km) |
