| Provo to Orbetello | 5,700.90 mi (9,174.71 km) |
| Provo to Oria | 6,011.91 mi (9,675.24 km) |
| Provo to Oristano | 5,743.73 mi (9,243.65 km) |
| Provo to Orta Nova | 5,905.78 mi (9,504.43 km) |
| Provo to Orte | 5,738.20 mi (9,234.75 km) |
| Provo to Ortona | 5,808.74 mi (9,348.27 km) |
| Provo to Orvieto | 5,715.53 mi (9,198.25 km) |
| Provo to Orzinuovi | 5,504.50 mi (8,858.63 km) |
| Provo to Osimo | 5,718.63 mi (9,203.24 km) |
| Provo to Ospitaletto | 5,500.92 mi (8,852.88 km) |
| Provo to Ostuni | 5,997.37 mi (9,651.83 km) |
| Provo to Ottaviano | 5,892.58 mi (9,483.19 km) |
| Provo to Ovada | 5,501.90 mi (8,854.46 km) |
| Provo to Ozieri | 5,723.00 mi (9,210.28 km) |
| Provo to Paceco | 5,982.74 mi (9,628.30 km) |
