| Siloam Springs to Santarem | 4,508.14 mi (7,255.16 km) |
| Siloam Springs to Santiago do Cacem | 4,546.72 mi (7,317.24 km) |
| Siloam Springs to Santo Andre | 4,543.24 mi (7,311.63 km) |
| Siloam Springs to Santo Tirso | 4,452.15 mi (7,165.05 km) |
| Siloam Springs to Sao Bras de Alportel | 4,614.54 mi (7,426.38 km) |
| Siloam Springs to Sao Felix da Marinha | 4,454.23 mi (7,168.40 km) |
| Siloam Springs to Sao Joao da Madeira | 4,464.75 mi (7,185.32 km) |
| Siloam Springs to Sao Joao de Ver | 4,460.08 mi (7,177.81 km) |
| Siloam Springs to Sao Mamede de Infesta | 4,450.13 mi (7,161.79 km) |
| Siloam Springs to Sao Pedro do Sul | 4,489.03 mi (7,224.40 km) |
| Siloam Springs to Satao | 4,505.07 mi (7,250.21 km) |
| Siloam Springs to Seia | 4,516.43 mi (7,268.50 km) |
| Siloam Springs to Senhora da Hora | 4,448.20 mi (7,158.68 km) |
| Siloam Springs to Serpa | 4,601.87 mi (7,406.00 km) |
| Siloam Springs to Serta | 4,517.71 mi (7,270.56 km) |
