| Piqua to Rivalta di Torino | 4,416.56 mi (7,107.77 km) |
| Piqua to Rivarolo Canavese | 4,414.00 mi (7,103.65 km) |
| Piqua to Rivoli | 4,415.24 mi (7,105.64 km) |
| Piqua to Rocca di Papa | 4,758.78 mi (7,658.51 km) |
| Piqua to Rocca Priora | 4,760.21 mi (7,660.81 km) |
| Piqua to Roccapiemonte | 4,882.62 mi (7,857.82 km) |
| Piqua to Roccastrada | 4,644.80 mi (7,475.09 km) |
| Piqua to Romano di Lombardia | 4,490.58 mi (7,226.89 km) |
| Piqua to Rome | 4,743.90 mi (7,634.58 km) |
| Piqua to Roncade | 4,592.53 mi (7,390.96 km) |
| Piqua to Ronchi dei Legionari | 4,629.12 mi (7,449.84 km) |
| Piqua to Ronciglione | 4,716.87 mi (7,591.06 km) |
| Piqua to Rosa | 4,564.54 mi (7,345.92 km) |
| Piqua to Rosarno | 5,032.64 mi (8,099.26 km) |
| Piqua to Rosignano Marittimo | 4,600.42 mi (7,403.67 km) |
