| Ponca City to Grottaferrata | 5,434.93 mi (8,746.67 km) |
| Ponca City to Grottaglie | 5,678.46 mi (9,138.59 km) |
| Ponca City to Grottammare | 5,428.34 mi (8,736.08 km) |
| Ponca City to Grugliasco | 5,094.14 mi (8,198.23 km) |
| Ponca City to Grumo Appula | 5,627.60 mi (9,056.75 km) |
| Ponca City to Grumo Nevano | 5,536.23 mi (8,909.70 km) |
| Ponca City to Gualdo Tadino | 5,375.65 mi (8,651.27 km) |
| Ponca City to Guardiagrele | 5,477.28 mi (8,814.83 km) |
| Ponca City to Guastalla | 5,220.91 mi (8,402.25 km) |
| Ponca City to Gubbio | 5,362.11 mi (8,629.48 km) |
| Ponca City to Guspini | 5,367.37 mi (8,637.94 km) |
| Ponca City to Gussago | 5,172.14 mi (8,323.76 km) |
| Ponca City to Iesi | 5,380.48 mi (8,659.05 km) |
| Ponca City to Iesolo | 5,269.74 mi (8,480.82 km) |
| Ponca City to Iglesias | 5,372.33 mi (8,645.93 km) |
