| Dayton to Santarem | 3,895.90 mi (6,269.84 km) |
| Dayton to Santiago do Cacem | 3,933.47 mi (6,330.31 km) |
| Dayton to Santo Andre | 3,929.99 mi (6,324.71 km) |
| Dayton to Santo Tirso | 3,842.47 mi (6,183.85 km) |
| Dayton to Sao Bras de Alportel | 4,000.95 mi (6,438.91 km) |
| Dayton to Sao Felix da Marinha | 3,844.06 mi (6,186.42 km) |
| Dayton to Sao Joao da Madeira | 3,854.46 mi (6,203.16 km) |
| Dayton to Sao Joao de Ver | 3,849.84 mi (6,195.72 km) |
| Dayton to Sao Mamede de Infesta | 3,840.19 mi (6,180.19 km) |
| Dayton to Sao Pedro do Sul | 3,878.76 mi (6,242.26 km) |
| Dayton to Satao | 3,894.94 mi (6,268.30 km) |
| Dayton to Seia | 3,905.92 mi (6,285.97 km) |
| Dayton to Senhora da Hora | 3,838.21 mi (6,177.00 km) |
| Dayton to Serpa | 3,988.90 mi (6,419.52 km) |
| Dayton to Serta | 3,906.29 mi (6,286.56 km) |
