| Ponca City to Somersworth (New Hampshire) | 1,450.58 mi (2,334.48 km) |
| Ponca City to Somerton (Arizona) | 1,039.98 mi (1,673.69 km) |
| Ponca City to Somerville (Massachusetts) | 1,431.25 mi (2,303.38 km) |
| Ponca City to Somerville (New Jersey) | 1,237.08 mi (1,990.89 km) |
| Ponca City to Sonoma (California) | 1,391.58 mi (2,239.52 km) |
| Ponca City to Soquel (California) | 1,371.63 mi (2,207.42 km) |
| Ponca City to South Bend (Indiana) | 671.10 mi (1,080.04 km) |
| Ponca City to South Bradenton (Florida) | 1,060.19 mi (1,706.21 km) |
| Ponca City to South Burlington (Vermont) | 1,354.29 mi (2,179.51 km) |
| Ponca City to South Charleston (West Virginia) | 847.56 mi (1,364.02 km) |
| Ponca City to South Daytona (Florida) | 1,065.61 mi (1,714.94 km) |
| Ponca City to South El Monte (California) | 1,193.71 mi (1,921.09 km) |
| Ponca City to South Elgin (Illinois) | 592.05 mi (952.82 km) |
| Ponca City to South Euclid (Ohio) | 895.11 mi (1,440.54 km) |
| Ponca City to South Farmingdale (New York) | 1,298.65 mi (2,089.97 km) |
