| Ponca City to Rothenbach an der Pegnitz | 5,049.69 mi (8,126.68 km) |
| Ponca City to Rothenburg ob der Tauber | 5,015.70 mi (8,072.00 km) |
| Ponca City to Rottweil | 5,008.25 mi (8,060.00 km) |
| Ponca City to Rudersberg | 5,012.36 mi (8,066.61 km) |
| Ponca City to Rudesheim am Rhein | 4,909.81 mi (7,901.57 km) |
| Ponca City to Rudolstadt | 5,001.05 mi (8,048.41 km) |
| Ponca City to Runkel | 4,901.18 mi (7,887.68 km) |
| Ponca City to Ruppichteroth | 4,859.81 mi (7,821.11 km) |
| Ponca City to Russelsheim | 4,926.81 mi (7,928.94 km) |
| Ponca City to Rutesheim | 4,994.06 mi (8,037.16 km) |
| Ponca City to Ruthen | 4,869.72 mi (7,837.06 km) |
| Ponca City to Saalfeld | 5,005.21 mi (8,055.10 km) |
| Ponca City to Saarbrucken | 4,905.25 mi (7,894.24 km) |
| Ponca City to Saarlouis | 4,892.70 mi (7,874.04 km) |
| Ponca City to Saarwellingen | 4,893.28 mi (7,874.97 km) |
