| Ponca City to Smyrna (Delaware) | 1,178.81 mi (1,897.11 km) |
| Ponca City to Smyrna (Georgia) | 734.24 mi (1,181.64 km) |
| Ponca City to Smyrna (Tennessee) | 588.65 mi (947.34 km) |
| Ponca City to Snellville (Georgia) | 762.23 mi (1,226.69 km) |
| Ponca City to Snoqualmie (Washington) | 1,463.26 mi (2,354.90 km) |
| Ponca City to Snyder (Texas) | 352.67 mi (567.57 km) |
| Ponca City to Socastee (South Carolina) | 1,039.22 mi (1,672.47 km) |
| Ponca City to Socorro (Texas) | 631.59 mi (1,016.44 km) |
| Ponca City to Soddy-Daisy (Tennessee) | 672.14 mi (1,081.70 km) |
| Ponca City to Solana Beach (California) | 1,170.92 mi (1,884.41 km) |
| Ponca City to Soledad (California) | 1,343.32 mi (2,161.87 km) |
| Ponca City to Solon (Ohio) | 896.64 mi (1,443.01 km) |
| Ponca City to Somers Point (New Jersey) | 1,232.39 mi (1,983.34 km) |
| Ponca City to Somerset (Kentucky) | 688.20 mi (1,107.55 km) |
| Ponca City to Somerset (New Jersey) | 1,242.37 mi (1,999.41 km) |
