| Ponca City to Sierpc | 5,180.32 mi (8,336.91 km) |
| Ponca City to Skarzysko-Kamienna | 5,302.22 mi (8,533.10 km) |
| Ponca City to Skawina | 5,320.97 mi (8,563.27 km) |
| Ponca City to Skierniewice | 5,238.07 mi (8,429.86 km) |
| Ponca City to Skoczow | 5,295.19 mi (8,521.79 km) |
| Ponca City to Skwierzyna | 5,061.11 mi (8,145.07 km) |
| Ponca City to Slawno | 5,020.95 mi (8,080.44 km) |
| Ponca City to Slubice | 5,041.52 mi (8,113.54 km) |
| Ponca City to Slupca | 5,150.59 mi (8,289.07 km) |
| Ponca City to Slupsk | 5,027.11 mi (8,090.36 km) |
| Ponca City to Sochaczew | 5,228.18 mi (8,413.95 km) |
| Ponca City to Sokolka | 5,271.11 mi (8,483.03 km) |
| Ponca City to Sokolow Podlaski | 5,282.20 mi (8,500.89 km) |
| Ponca City to Solec Kujawski | 5,126.58 mi (8,250.44 km) |
| Ponca City to Sopot | 5,074.76 mi (8,167.03 km) |
