| Mason City to Reichenbach/Vogtland | 4,568.17 mi (7,351.77 km) |
| Mason City to Reinbek | 4,375.41 mi (7,041.54 km) |
| Mason City to Reinfeld | 4,369.42 mi (7,031.91 km) |
| Mason City to Reinheim | 4,483.00 mi (7,214.69 km) |
| Mason City to Reiskirchen | 4,450.31 mi (7,162.08 km) |
| Mason City to Rellingen | 4,355.42 mi (7,009.37 km) |
| Mason City to Remagen | 4,395.24 mi (7,073.45 km) |
| Mason City to Remscheid | 4,369.23 mi (7,031.60 km) |
| Mason City to Rendsburg | 4,323.56 mi (6,958.10 km) |
| Mason City to Renningen | 4,532.02 mi (7,293.58 km) |
| Mason City to Reutlingen | 4,554.27 mi (7,329.39 km) |
| Mason City to Rhaude | 4,300.24 mi (6,920.56 km) |
| Mason City to Rheda-Wiedenbruck | 4,379.96 mi (7,048.86 km) |
| Mason City to Rhede | 4,325.36 mi (6,961.00 km) |
| Mason City to Rheinau | 4,500.38 mi (7,242.66 km) |
