| Ponca City to Oststeinbek | 4,845.73 mi (7,798.45 km) |
| Ponca City to Ottendorf-Okrilla | 5,067.38 mi (8,155.16 km) |
| Ponca City to Ottersberg | 4,829.17 mi (7,771.80 km) |
| Ponca City to Ottobrunn | 5,124.60 mi (8,247.25 km) |
| Ponca City to Ottweiler | 4,906.18 mi (7,895.73 km) |
| Ponca City to Overath | 4,848.97 mi (7,803.67 km) |
| Ponca City to Oyten | 4,826.21 mi (7,767.04 km) |
| Ponca City to Paderborn | 4,870.32 mi (7,838.02 km) |
| Ponca City to Papenburg | 4,770.53 mi (7,677.42 km) |
| Ponca City to Parchim | 4,906.30 mi (7,895.93 km) |
| Ponca City to Pasewalk | 4,973.60 mi (8,004.24 km) |
| Ponca City to Passau | 5,167.52 mi (8,316.33 km) |
| Ponca City to Pattensen | 4,883.52 mi (7,859.26 km) |
| Ponca City to Pegnitz | 5,048.87 mi (8,125.38 km) |
| Ponca City to Peine | 4,897.36 mi (7,881.55 km) |
