| Grass Valley to Santarem | 5,535.60 mi (8,908.69 km) |
| Grass Valley to Santiago do Cacem | 5,592.86 mi (9,000.84 km) |
| Grass Valley to Santo Andre | 5,589.31 mi (8,995.12 km) |
| Grass Valley to Santo Tirso | 5,444.60 mi (8,762.24 km) |
| Grass Valley to Sao Bras de Alportel | 5,666.58 mi (9,119.47 km) |
| Grass Valley to Sao Felix da Marinha | 5,452.82 mi (8,775.46 km) |
| Grass Valley to Sao Joao da Madeira | 5,464.39 mi (8,794.08 km) |
| Grass Valley to Sao Joao de Ver | 5,459.34 mi (8,785.95 km) |
| Grass Valley to Sao Mamede de Infesta | 5,445.85 mi (8,764.25 km) |
| Grass Valley to Sao Pedro do Sul | 5,487.42 mi (8,831.15 km) |
| Grass Valley to Satao | 5,500.86 mi (8,852.77 km) |
| Grass Valley to Seia | 5,516.89 mi (8,878.58 km) |
| Grass Valley to Senhora da Hora | 5,444.57 mi (8,762.20 km) |
| Grass Valley to Serpa | 5,639.60 mi (9,076.06 km) |
| Grass Valley to Serta | 5,531.36 mi (8,901.87 km) |
