| Ponca City to Senftenberg | 5,059.25 mi (8,142.08 km) |
| Ponca City to Siegburg | 4,851.33 mi (7,807.46 km) |
| Ponca City to Siegen | 4,877.28 mi (7,849.23 km) |
| Ponca City to Sigmaringen | 5,033.60 mi (8,100.80 km) |
| Ponca City to Simbach am Inn | 5,164.85 mi (8,312.02 km) |
| Ponca City to Simmerath | 4,826.34 mi (7,767.25 km) |
| Ponca City to Sindelfingen | 5,000.11 mi (8,046.90 km) |
| Ponca City to Sinsheim | 4,973.94 mi (8,004.78 km) |
| Ponca City to Sinzheim | 4,967.26 mi (7,994.03 km) |
| Ponca City to Sinzig | 4,863.04 mi (7,826.31 km) |
| Ponca City to Soest | 4,853.45 mi (7,810.88 km) |
| Ponca City to Solingen | 4,832.76 mi (7,777.58 km) |
| Ponca City to Soltau | 4,857.02 mi (7,816.61 km) |
| Ponca City to Sommerda | 4,975.26 mi (8,006.90 km) |
| Ponca City to Sondershausen | 4,958.12 mi (7,979.32 km) |
