| Castel San Giorgio to Rivarolo Canavese | 471.92 mi (759.48 km) |
| Castel San Giorgio to Rivoli | 468.45 mi (753.90 km) |
| Castel San Giorgio to Rocca di Papa | 123.38 mi (198.56 km) |
| Castel San Giorgio to Rocca Priora | 121.85 mi (196.10 km) |
| Castel San Giorgio to Roccapiemonte | 1.53 mi (2.47 km) |
| Castel San Giorgio to Roccastrada | 237.98 mi (383.00 km) |
| Castel San Giorgio to Romano di Lombardia | 411.18 mi (661.74 km) |
| Castel San Giorgio to Rome | 138.23 mi (222.46 km) |
| Castel San Giorgio to Roncade | 354.33 mi (570.25 km) |
| Castel San Giorgio to Ronchi dei Legionari | 354.09 mi (569.85 km) |
| Castel San Giorgio to Ronciglione | 165.37 mi (266.13 km) |
| Castel San Giorgio to Rosa | 371.39 mi (597.69 km) |
| Castel San Giorgio to Rosarno | 172.78 mi (278.06 km) |
| Castel San Giorgio to Rosignano Marittimo | 282.42 mi (454.51 km) |
| Castel San Giorgio to Rosolini | 274.40 mi (441.60 km) |
