| Mason City to Rosolini | 5,308.24 mi (8,542.79 km) |
| Mason City to Rossano | 5,239.32 mi (8,431.87 km) |
| Mason City to Rottofreno | 4,716.52 mi (7,590.50 km) |
| Mason City to Rovato | 4,710.62 mi (7,581.01 km) |
| Mason City to Roverbella | 4,752.45 mi (7,648.32 km) |
| Mason City to Rovereto | 4,735.15 mi (7,620.49 km) |
| Mason City to Rovigo | 4,798.68 mi (7,722.73 km) |
| Mason City to Rozzano | 4,687.21 mi (7,543.33 km) |
| Mason City to Rubano | 4,782.27 mi (7,696.32 km) |
| Mason City to Rubiera | 4,780.83 mi (7,694.01 km) |
| Mason City to Ruffano | 5,279.23 mi (8,496.11 km) |
| Mason City to Russi | 4,839.66 mi (7,788.67 km) |
| Mason City to Rutigliano | 5,182.66 mi (8,340.68 km) |
| Mason City to Ruvo di Puglia | 5,158.30 mi (8,301.49 km) |
| Mason City to Sabaudia | 5,019.55 mi (8,078.19 km) |
