| Mason City to Rivalta di Torino | 4,641.05 mi (7,469.05 km) |
| Mason City to Rivarolo Canavese | 4,635.67 mi (7,460.39 km) |
| Mason City to Rivoli | 4,639.47 mi (7,466.51 km) |
| Mason City to Rocca di Papa | 4,985.97 mi (8,024.15 km) |
| Mason City to Rocca Priora | 4,987.10 mi (8,025.96 km) |
| Mason City to Roccapiemonte | 5,108.36 mi (8,221.11 km) |
| Mason City to Roccastrada | 4,869.79 mi (7,837.18 km) |
| Mason City to Romano di Lombardia | 4,703.64 mi (7,569.78 km) |
| Mason City to Rome | 4,971.19 mi (8,000.36 km) |
| Mason City to Roncade | 4,795.17 mi (7,717.08 km) |
| Mason City to Ronchi dei Legionari | 4,826.10 mi (7,766.86 km) |
| Mason City to Ronciglione | 4,942.61 mi (7,954.36 km) |
| Mason City to Rosa | 4,768.81 mi (7,674.66 km) |
| Mason City to Rosarno | 5,267.19 mi (8,476.72 km) |
| Mason City to Rosignano Marittimo | 4,825.44 mi (7,765.80 km) |
