| Ponca City to Curtea de Arges | 5,716.85 mi (9,200.39 km) |
| Ponca City to Dabuleni | 5,763.94 mi (9,276.16 km) |
| Ponca City to Darabani | 5,624.34 mi (9,051.51 km) |
| Ponca City to Darmanesti | 5,713.59 mi (9,195.13 km) |
| Ponca City to Dej | 5,590.72 mi (8,997.39 km) |
| Ponca City to Deva | 5,620.77 mi (9,045.76 km) |
| Ponca City to Dolhasca | 5,663.56 mi (9,114.62 km) |
| Ponca City to Dorohoi | 5,629.99 mi (9,060.59 km) |
| Ponca City to Draganesti-Olt | 5,760.48 mi (9,270.59 km) |
| Ponca City to Dragasani | 5,726.70 mi (9,216.24 km) |
| Ponca City to Drobeta-Turnu Severin | 5,672.95 mi (9,129.72 km) |
| Ponca City to Fagaras | 5,691.21 mi (9,159.11 km) |
| Ponca City to Falticeni | 5,652.30 mi (9,096.50 km) |
| Ponca City to Fetesti | 5,857.72 mi (9,427.10 km) |
| Ponca City to Filiasi | 5,714.44 mi (9,196.50 km) |
