| Crestview to Orbetello | 5,181.16 mi (8,338.27 km) |
| Crestview to Oria | 5,535.72 mi (8,908.88 km) |
| Crestview to Oristano | 5,141.95 mi (8,275.16 km) |
| Crestview to Orta Nova | 5,420.18 mi (8,722.94 km) |
| Crestview to Orte | 5,233.05 mi (8,421.78 km) |
| Crestview to Ortona | 5,326.26 mi (8,571.80 km) |
| Crestview to Orvieto | 5,212.18 mi (8,388.19 km) |
| Crestview to Orzinuovi | 5,030.47 mi (8,095.75 km) |
| Crestview to Osimo | 5,247.21 mi (8,444.57 km) |
| Crestview to Ospitaletto | 5,031.71 mi (8,097.76 km) |
| Crestview to Ostuni | 5,524.91 mi (8,891.48 km) |
| Crestview to Ottaviano | 5,381.89 mi (8,661.31 km) |
| Crestview to Ovada | 4,997.48 mi (8,042.67 km) |
| Crestview to Ozieri | 5,139.69 mi (8,271.53 km) |
| Crestview to Paceco | 5,392.25 mi (8,677.99 km) |
