| High Point to Orbetello | 4,658.21 mi (7,496.66 km) |
| High Point to Oria | 5,012.21 mi (8,066.38 km) |
| High Point to Oristano | 4,622.41 mi (7,439.04 km) |
| High Point to Orta Nova | 4,896.71 mi (7,880.50 km) |
| High Point to Orte | 4,709.77 mi (7,579.64 km) |
| High Point to Ortona | 4,802.56 mi (7,728.98 km) |
| High Point to Orvieto | 4,688.81 mi (7,545.90 km) |
| High Point to Orzinuovi | 4,506.19 mi (7,252.02 km) |
| High Point to Osimo | 4,723.15 mi (7,601.18 km) |
| High Point to Ospitaletto | 4,507.37 mi (7,253.91 km) |
| High Point to Ostuni | 5,001.29 mi (8,048.80 km) |
| High Point to Ottaviano | 4,859.08 mi (7,819.93 km) |
| High Point to Ovada | 4,473.76 mi (7,199.82 km) |
| High Point to Ozieri | 4,619.18 mi (7,433.85 km) |
| High Point to Paceco | 4,872.95 mi (7,842.26 km) |
