| Ponca City to Butzbach | 4,918.16 mi (7,915.01 km) |
| Ponca City to Buxtehude | 4,832.83 mi (7,777.69 km) |
| Ponca City to Cadolzburg | 5,037.51 mi (8,107.10 km) |
| Ponca City to Calbe | 4,967.11 mi (7,993.79 km) |
| Ponca City to Calw | 4,990.03 mi (8,030.68 km) |
| Ponca City to Castrop-Rauxel | 4,826.21 mi (7,767.04 km) |
| Ponca City to Celle | 4,879.86 mi (7,853.38 km) |
| Ponca City to Cham | 5,110.92 mi (8,225.22 km) |
| Ponca City to Chemnitz | 5,051.19 mi (8,129.10 km) |
| Ponca City to Clausthal-Zellerfeld | 4,921.80 mi (7,920.88 km) |
| Ponca City to Cloppenburg | 4,801.33 mi (7,726.99 km) |
| Ponca City to Coburg | 5,007.11 mi (8,058.16 km) |
| Ponca City to Coesfeld | 4,805.41 mi (7,733.55 km) |
| Ponca City to Cologne | 4,837.01 mi (7,784.41 km) |
| Ponca City to Coswig | 5,061.12 mi (8,145.09 km) |
