| Ponca City to Brezovica | 5,314.19 mi (8,552.37 km) |
| Ponca City to Cankova | 5,340.91 mi (8,595.36 km) |
| Ponca City to Celje | 5,335.63 mi (8,586.87 km) |
| Ponca City to Cerklje na Gorenjskem | 5,306.54 mi (8,540.05 km) |
| Ponca City to Cerknica | 5,321.96 mi (8,564.87 km) |
| Ponca City to Cerkno | 5,293.75 mi (8,519.46 km) |
| Ponca City to Cerkvenjak | 5,345.15 mi (8,602.19 km) |
| Ponca City to Cirkulane | 5,357.06 mi (8,621.35 km) |
| Ponca City to Crensovci | 5,357.33 mi (8,621.80 km) |
| Ponca City to Crna na Koroskem | 5,309.96 mi (8,545.55 km) |
| Ponca City to Crnomelj | 5,362.62 mi (8,630.30 km) |
| Ponca City to Destrnik | 5,346.23 mi (8,603.92 km) |
| Ponca City to Divaca | 5,312.69 mi (8,549.95 km) |
| Ponca City to Dobje | 5,344.69 mi (8,601.45 km) |
| Ponca City to Dobrna | 5,329.65 mi (8,577.25 km) |
