| Opelika to Ratingen | 4,586.19 mi (7,380.75 km) |
| Opelika to Ratzeburg | 4,667.84 mi (7,512.16 km) |
| Opelika to Raubling | 4,903.54 mi (7,891.49 km) |
| Opelika to Rauenberg | 4,718.61 mi (7,593.87 km) |
| Opelika to Raunheim | 4,686.38 mi (7,542.00 km) |
| Opelika to Ravensburg | 4,800.77 mi (7,726.09 km) |
| Opelika to Recke | 4,590.84 mi (7,388.25 km) |
| Opelika to Recklinghausen | 4,590.70 mi (7,388.01 km) |
| Opelika to Regen | 4,906.75 mi (7,896.66 km) |
| Opelika to Regensburg | 4,863.08 mi (7,826.38 km) |
| Opelika to Regenstauf | 4,861.47 mi (7,823.77 km) |
| Opelika to Rehau | 4,821.24 mi (7,759.04 km) |
| Opelika to Rehburg-Loccum | 4,645.90 mi (7,476.86 km) |
| Opelika to Rehlingen-Siersburg | 4,632.82 mi (7,455.81 km) |
| Opelika to Reichelsheim | 4,710.93 mi (7,581.51 km) |
