| Piraeus to Rivarolo Canavese | 965.47 mi (1,553.78 km) |
| Piraeus to Rivoli | 966.40 mi (1,555.27 km) |
| Piraeus to Rocca di Papa | 636.47 mi (1,024.31 km) |
| Piraeus to Rocca Priora | 634.48 mi (1,021.10 km) |
| Piraeus to Roccapiemonte | 516.17 mi (830.70 km) |
| Piraeus to Roccastrada | 742.34 mi (1,194.68 km) |
| Piraeus to Romano di Lombardia | 885.25 mi (1,424.67 km) |
| Piraeus to Rome | 650.85 mi (1,047.44 km) |
| Piraeus to Roncade | 785.27 mi (1,263.77 km) |
| Piraeus to Ronchi dei Legionari | 753.54 mi (1,212.70 km) |
| Piraeus to Ronciglione | 673.81 mi (1,084.39 km) |
| Piraeus to Rosa | 812.42 mi (1,307.47 km) |
| Piraeus to Rosarno | 417.79 mi (672.36 km) |
| Piraeus to Rosignano Marittimo | 785.60 mi (1,264.31 km) |
| Piraeus to Rosolini | 483.60 mi (778.28 km) |
