| Barrhead to Santarem | 1,161.55 mi (1,869.33 km) |
| Barrhead to Santiago do Cacem | 1,244.91 mi (2,003.49 km) |
| Barrhead to Santo Andre | 1,243.01 mi (2,000.43 km) |
| Barrhead to Santo Tirso | 1,016.41 mi (1,635.76 km) |
| Barrhead to Sao Bras de Alportel | 1,298.93 mi (2,090.43 km) |
| Barrhead to Sao Felix da Marinha | 1,038.12 mi (1,670.69 km) |
| Barrhead to Sao Joao da Madeira | 1,046.36 mi (1,683.95 km) |
| Barrhead to Sao Joao de Ver | 1,042.98 mi (1,678.52 km) |
| Barrhead to Sao Mamede de Infesta | 1,026.61 mi (1,652.16 km) |
| Barrhead to Sao Pedro do Sul | 1,053.21 mi (1,694.97 km) |
| Barrhead to Satao | 1,052.07 mi (1,693.14 km) |
| Barrhead to Seia | 1,073.21 mi (1,727.17 km) |
| Barrhead to Senhora da Hora | 1,027.99 mi (1,654.39 km) |
| Barrhead to Serpa | 1,242.70 mi (1,999.93 km) |
| Barrhead to Serta | 1,118.49 mi (1,800.04 km) |
