| Piqua to Sesena | 4,093.33 mi (6,587.57 km) |
| Piqua to Sestao | 4,020.93 mi (6,471.06 km) |
| Piqua to Sevilla | 4,080.94 mi (6,567.63 km) |
| Piqua to Sevilla La Nueva | 4,069.96 mi (6,549.96 km) |
| Piqua to Silla | 4,270.56 mi (6,872.80 km) |
| Piqua to Silleda | 3,802.58 mi (6,119.66 km) |
| Piqua to Sitges | 4,305.49 mi (6,929.02 km) |
| Piqua to Socuellamos | 4,162.53 mi (6,698.94 km) |
| Piqua to Soller | 4,398.13 mi (7,078.11 km) |
| Piqua to Solsona | 4,266.20 mi (6,865.78 km) |
| Piqua to Son Servera | 4,433.27 mi (7,134.66 km) |
| Piqua to Sonseca | 4,095.02 mi (6,590.30 km) |
| Piqua to Sopelana | 4,019.87 mi (6,469.36 km) |
| Piqua to Soria | 4,094.96 mi (6,590.21 km) |
| Piqua to Suances | 3,970.34 mi (6,389.65 km) |
