| Ponca City to Isny im Allgau | 5,080.47 mi (8,176.23 km) |
| Ponca City to Isselburg | 4,785.08 mi (7,700.85 km) |
| Ponca City to Issum | 4,794.79 mi (7,716.47 km) |
| Ponca City to Itzehoe | 4,808.85 mi (7,739.10 km) |
| Ponca City to Jena | 5,001.28 mi (8,048.79 km) |
| Ponca City to Jever | 4,768.14 mi (7,673.57 km) |
| Ponca City to Jork | 4,829.89 mi (7,772.96 km) |
| Ponca City to Juchen | 4,814.39 mi (7,748.01 km) |
| Ponca City to Julich | 4,816.08 mi (7,750.74 km) |
| Ponca City to Juterbog | 5,007.16 mi (8,058.25 km) |
| Ponca City to Kaarst | 4,814.08 mi (7,747.52 km) |
| Ponca City to Kaiserslautern | 4,925.29 mi (7,926.48 km) |
| Ponca City to Kalkar | 4,782.47 mi (7,696.64 km) |
| Ponca City to Kall | 4,837.38 mi (7,785.02 km) |
| Ponca City to Kaltenkirchen | 4,827.03 mi (7,768.35 km) |
