| Ortahisar to Ratingen | 1,610.58 mi (2,591.98 km) |
| Ortahisar to Ratzeburg | 1,540.87 mi (2,479.79 km) |
| Ortahisar to Raubling | 1,302.59 mi (2,096.32 km) |
| Ortahisar to Rauenberg | 1,483.99 mi (2,388.25 km) |
| Ortahisar to Raunheim | 1,512.76 mi (2,434.56 km) |
| Ortahisar to Ravensburg | 1,411.92 mi (2,272.27 km) |
| Ortahisar to Recke | 1,606.33 mi (2,585.14 km) |
| Ortahisar to Recklinghausen | 1,605.70 mi (2,584.13 km) |
| Ortahisar to Regen | 1,291.08 mi (2,077.79 km) |
| Ortahisar to Regensburg | 1,335.77 mi (2,149.72 km) |
| Ortahisar to Regenstauf | 1,336.93 mi (2,151.58 km) |
| Ortahisar to Rehau | 1,375.12 mi (2,213.04 km) |
| Ortahisar to Rehburg-Loccum | 1,552.71 mi (2,498.85 km) |
| Ortahisar to Rehlingen-Siersburg | 1,572.63 mi (2,530.91 km) |
| Ortahisar to Reichelsheim | 1,489.06 mi (2,396.41 km) |
