| Ottumwa to Rothenbach an der Pegnitz | 4,661.81 mi (7,502.46 km) |
| Ottumwa to Rothenburg ob der Tauber | 4,627.94 mi (7,447.95 km) |
| Ottumwa to Rottweil | 4,621.06 mi (7,436.88 km) |
| Ottumwa to Rudersberg | 4,624.79 mi (7,442.88 km) |
| Ottumwa to Rudesheim am Rhein | 4,522.15 mi (7,277.69 km) |
| Ottumwa to Rudolstadt | 4,613.05 mi (7,423.99 km) |
| Ottumwa to Runkel | 4,513.40 mi (7,263.61 km) |
| Ottumwa to Ruppichteroth | 4,472.00 mi (7,196.99 km) |
| Ottumwa to Russelsheim | 4,539.09 mi (7,304.96 km) |
| Ottumwa to Rutesheim | 4,606.59 mi (7,413.60 km) |
| Ottumwa to Ruthen | 4,481.76 mi (7,212.69 km) |
| Ottumwa to Saalfeld | 4,617.21 mi (7,430.69 km) |
| Ottumwa to Saarbrucken | 4,517.95 mi (7,270.93 km) |
| Ottumwa to Saarlouis | 4,505.41 mi (7,250.75 km) |
| Ottumwa to Saarwellingen | 4,505.96 mi (7,251.64 km) |
