| Piqua to Sonneberg | 4,368.48 mi (7,030.38 km) |
| Piqua to Sonsbeck | 4,144.49 mi (6,669.91 km) |
| Piqua to Sonthofen | 4,437.75 mi (7,141.86 km) |
| Piqua to Spaichingen | 4,356.47 mi (7,011.06 km) |
| Piqua to Spelle | 4,160.64 mi (6,695.91 km) |
| Piqua to Spenge | 4,206.11 mi (6,769.07 km) |
| Piqua to Speyer | 4,300.53 mi (6,921.04 km) |
| Piqua to Spiesen-Elversberg | 4,249.99 mi (6,839.70 km) |
| Piqua to Spremberg | 4,441.67 mi (7,148.17 km) |
| Piqua to Springe | 4,242.66 mi (6,827.90 km) |
| Piqua to Sprockhovel | 4,185.49 mi (6,735.90 km) |
| Piqua to Stade | 4,193.12 mi (6,748.18 km) |
| Piqua to Stadtallendorf | 4,270.37 mi (6,872.50 km) |
| Piqua to Stadthagen | 4,226.36 mi (6,801.67 km) |
| Piqua to Stadtlohn | 4,152.29 mi (6,682.46 km) |
