| Piqua to Rende | 5,005.17 mi (8,055.05 km) |
| Piqua to Resana | 4,575.10 mi (7,362.91 km) |
| Piqua to Rescaldina | 4,454.23 mi (7,168.38 km) |
| Piqua to Rezzato | 4,513.72 mi (7,264.13 km) |
| Piqua to Rho | 4,460.71 mi (7,178.82 km) |
| Piqua to Ribera | 4,956.98 mi (7,977.48 km) |
| Piqua to Riccione Marina | 4,667.08 mi (7,510.95 km) |
| Piqua to Riesi | 5,001.76 mi (8,049.56 km) |
| Piqua to Rieti | 4,739.03 mi (7,626.74 km) |
| Piqua to Rignano Flaminio | 4,731.65 mi (7,614.86 km) |
| Piqua to Rignano sull'Arno | 4,628.70 mi (7,449.17 km) |
| Piqua to Rimini | 4,661.41 mi (7,501.81 km) |
| Piqua to Rionero in Vulture | 4,916.77 mi (7,912.77 km) |
| Piqua to Riposto | 5,031.19 mi (8,096.92 km) |
| Piqua to Riva del Garda | 4,521.35 mi (7,276.42 km) |
