| Isernia to Rivarolo Canavese | 416.11 mi (669.67 km) |
| Isernia to Rivoli | 413.89 mi (666.09 km) |
| Isernia to Rocca di Papa | 79.40 mi (127.78 km) |
| Isernia to Rocca Priora | 77.01 mi (123.94 km) |
| Isernia to Roccapiemonte | 62.72 mi (100.94 km) |
| Isernia to Roccastrada | 184.59 mi (297.07 km) |
| Isernia to Romano di Lombardia | 351.53 mi (565.74 km) |
| Isernia to Rome | 92.76 mi (149.28 km) |
| Isernia to Roncade | 293.07 mi (471.65 km) |
| Isernia to Ronchi dei Legionari | 294.62 mi (474.15 km) |
| Isernia to Ronciglione | 114.36 mi (184.05 km) |
| Isernia to Rosa | 309.92 mi (498.76 km) |
| Isernia to Rosarno | 234.24 mi (376.98 km) |
| Isernia to Rosignano Marittimo | 228.78 mi (368.19 km) |
| Isernia to Rosolini | 332.86 mi (535.69 km) |
