| Portici to Rivarolo Canavese | 456.80 mi (735.14 km) |
| Portici to Rivoli | 452.84 mi (728.78 km) |
| Portici to Rocca di Papa | 106.73 mi (171.77 km) |
| Portici to Rocca Priora | 105.41 mi (169.63 km) |
| Portici to Roccapiemonte | 18.85 mi (30.34 km) |
| Portici to Roccastrada | 222.47 mi (358.03 km) |
| Portici to Romano di Lombardia | 398.40 mi (641.17 km) |
| Portici to Rome | 121.60 mi (195.70 km) |
| Portici to Roncade | 346.38 mi (557.44 km) |
| Portici to Ronchi dei Legionari | 348.97 mi (561.61 km) |
| Portici to Ronciglione | 149.65 mi (240.85 km) |
| Portici to Rosa | 362.24 mi (582.97 km) |
| Portici to Rosarno | 183.35 mi (295.07 km) |
| Portici to Rosignano Marittimo | 266.82 mi (429.41 km) |
| Portici to Rosolini | 278.51 mi (448.22 km) |
