| Frosinone to Rivarolo Canavese | 380.65 mi (612.60 km) |
| Frosinone to Rivoli | 376.97 mi (606.68 km) |
| Frosinone to Rocca di Papa | 33.95 mi (54.63 km) |
| Frosinone to Rocca Priora | 31.82 mi (51.21 km) |
| Frosinone to Roccapiemonte | 92.21 mi (148.40 km) |
| Frosinone to Roccastrada | 146.50 mi (235.78 km) |
| Frosinone to Romano di Lombardia | 323.13 mi (520.03 km) |
| Frosinone to Rome | 48.16 mi (77.51 km) |
| Frosinone to Roncade | 280.03 mi (450.66 km) |
| Frosinone to Ronchi dei Legionari | 290.29 mi (467.17 km) |
| Frosinone to Ronciglione | 73.87 mi (118.89 km) |
| Frosinone to Rosa | 293.00 mi (471.54 km) |
| Frosinone to Rosarno | 258.15 mi (415.45 km) |
| Frosinone to Rosignano Marittimo | 190.93 mi (307.27 km) |
| Frosinone to Rosolini | 343.62 mi (553.00 km) |
