| Mason City to Rothenbach an der Pegnitz | 4,582.10 mi (7,374.17 km) |
| Mason City to Rothenburg ob der Tauber | 4,549.48 mi (7,321.68 km) |
| Mason City to Rottweil | 4,546.60 mi (7,317.04 km) |
| Mason City to Rudersberg | 4,547.97 mi (7,319.25 km) |
| Mason City to Rudesheim am Rhein | 4,444.70 mi (7,153.05 km) |
| Mason City to Rudolstadt | 4,530.89 mi (7,291.76 km) |
| Mason City to Runkel | 4,434.87 mi (7,137.24 km) |
| Mason City to Ruppichteroth | 4,393.21 mi (7,070.19 km) |
| Mason City to Russelsheim | 4,461.16 mi (7,179.54 km) |
| Mason City to Rutesheim | 4,530.52 mi (7,291.16 km) |
| Mason City to Ruthen | 4,400.72 mi (7,082.28 km) |
| Mason City to Saalfeld | 4,535.13 mi (7,298.59 km) |
| Mason City to Saarbrucken | 4,442.95 mi (7,150.23 km) |
| Mason City to Saarlouis | 4,430.48 mi (7,130.17 km) |
| Mason City to Saarwellingen | 4,430.90 mi (7,130.84 km) |
