| Ponca City to Solofra | 5,563.78 mi (8,954.04 km) |
| Ponca City to Somma Lombardo | 5,112.79 mi (8,228.24 km) |
| Ponca City to Somma Vesuviana | 5,545.70 mi (8,924.95 km) |
| Ponca City to Sommacampagna | 5,207.41 mi (8,380.51 km) |
| Ponca City to Sona | 5,205.35 mi (8,377.21 km) |
| Ponca City to Sondrio | 5,137.55 mi (8,268.08 km) |
| Ponca City to Sora | 5,475.43 mi (8,811.86 km) |
| Ponca City to Sorbolo | 5,215.48 mi (8,393.50 km) |
| Ponca City to Soresina | 5,174.04 mi (8,326.82 km) |
| Ponca City to Sorisole | 5,147.43 mi (8,284.00 km) |
| Ponca City to Sorrento | 5,554.25 mi (8,938.70 km) |
| Ponca City to Sorso | 5,311.57 mi (8,548.14 km) |
| Ponca City to Sortino | 5,738.48 mi (9,235.20 km) |
| Ponca City to Soverato Marina | 5,729.99 mi (9,221.53 km) |
| Ponca City to Sovicille | 5,312.92 mi (8,550.32 km) |
