| Ponca City to Ratingen | 4,819.24 mi (7,755.82 km) |
| Ponca City to Ratzeburg | 4,858.88 mi (7,819.60 km) |
| Ponca City to Raubling | 5,152.44 mi (8,292.04 km) |
| Ponca City to Rauenberg | 4,966.65 mi (7,993.05 km) |
| Ponca City to Raunheim | 4,927.32 mi (7,929.76 km) |
| Ponca City to Ravensburg | 5,060.78 mi (8,144.54 km) |
| Ponca City to Recke | 4,808.52 mi (7,738.56 km) |
| Ponca City to Recklinghausen | 4,819.35 mi (7,756.00 km) |
| Ponca City to Regen | 5,138.78 mi (8,270.07 km) |
| Ponca City to Regensburg | 5,099.28 mi (8,206.50 km) |
| Ponca City to Regenstauf | 5,096.34 mi (8,201.77 km) |
| Ponca City to Rehau | 5,044.71 mi (8,118.67 km) |
| Ponca City to Rehburg-Loccum | 4,856.93 mi (7,816.47 km) |
| Ponca City to Rehlingen-Siersburg | 4,888.02 mi (7,866.51 km) |
| Ponca City to Reichelsheim | 4,953.56 mi (7,971.99 km) |
