| Piqua to Solofra | 4,886.21 mi (7,863.59 km) |
| Piqua to Somma Lombardo | 4,441.55 mi (7,147.99 km) |
| Piqua to Somma Vesuviana | 4,867.30 mi (7,833.16 km) |
| Piqua to Sommacampagna | 4,539.67 mi (7,305.89 km) |
| Piqua to Sona | 4,537.73 mi (7,302.76 km) |
| Piqua to Sondrio | 4,471.12 mi (7,195.58 km) |
| Piqua to Sora | 4,798.43 mi (7,722.33 km) |
| Piqua to Sorbolo | 4,544.35 mi (7,313.43 km) |
| Piqua to Soresina | 4,503.56 mi (7,247.77 km) |
| Piqua to Sorisole | 4,478.54 mi (7,207.52 km) |
| Piqua to Sorrento | 4,874.75 mi (7,845.15 km) |
| Piqua to Sorso | 4,620.22 mi (7,435.53 km) |
| Piqua to Sortino | 5,048.04 mi (8,124.03 km) |
| Piqua to Soverato Marina | 5,048.39 mi (8,124.60 km) |
| Piqua to Sovicille | 4,636.84 mi (7,462.28 km) |
