| Greenock to Santarem | 1,168.86 mi (1,881.10 km) |
| Greenock to Santiago do Cacem | 1,252.37 mi (2,015.50 km) |
| Greenock to Santo Andre | 1,250.43 mi (2,012.37 km) |
| Greenock to Santo Tirso | 1,023.59 mi (1,647.30 km) |
| Greenock to Sao Bras de Alportel | 1,307.05 mi (2,103.49 km) |
| Greenock to Sao Felix da Marinha | 1,045.21 mi (1,682.11 km) |
| Greenock to Sao Joao da Madeira | 1,053.58 mi (1,695.58 km) |
| Greenock to Sao Joao de Ver | 1,050.15 mi (1,690.05 km) |
| Greenock to Sao Mamede de Infesta | 1,033.69 mi (1,663.57 km) |
| Greenock to Sao Pedro do Sul | 1,060.80 mi (1,707.19 km) |
| Greenock to Satao | 1,059.92 mi (1,705.78 km) |
| Greenock to Seia | 1,081.13 mi (1,739.91 km) |
| Greenock to Senhora da Hora | 1,035.04 mi (1,665.73 km) |
| Greenock to Serpa | 1,250.94 mi (2,013.20 km) |
| Greenock to Serta | 1,126.18 mi (1,812.41 km) |
