| Piqua to Ruislip | 3,882.70 mi (6,248.60 km) |
| Piqua to Runcorn | 3,746.43 mi (6,029.30 km) |
| Piqua to Rushall | 3,795.16 mi (6,107.73 km) |
| Piqua to Rushden | 3,856.45 mi (6,206.36 km) |
| Piqua to Rustington | 3,901.43 mi (6,278.74 km) |
| Piqua to Rutherglen | 3,632.16 mi (5,845.40 km) |
| Piqua to Ryde | 3,877.59 mi (6,240.37 km) |
| Piqua to Rye | 3,946.36 mi (6,351.05 km) |
| Piqua to Ryhope | 3,759.78 mi (6,050.77 km) |
| Piqua to Saffron Walden | 3,896.60 mi (6,270.97 km) |
| Piqua to Saint Albans | 3,881.50 mi (6,246.67 km) |
| Piqua to Saint Andrews | 3,672.47 mi (5,910.26 km) |
| Piqua to Saint Austell | 3,741.33 mi (6,021.09 km) |
| Piqua to Saint Budeaux | 3,764.34 mi (6,058.13 km) |
| Piqua to Saint Helens | 3,743.09 mi (6,023.93 km) |
