| Burlingame to Orbetello | 6,184.92 mi (9,953.67 km) |
| Burlingame to Oria | 6,477.76 mi (10,424.94 km) |
| Burlingame to Oristano | 6,246.79 mi (10,053.24 km) |
| Burlingame to Orta Nova | 6,376.54 mi (10,262.05 km) |
| Burlingame to Orte | 6,217.75 mi (10,006.50 km) |
| Burlingame to Ortona | 6,280.90 mi (10,108.13 km) |
| Burlingame to Orvieto | 6,195.11 mi (9,970.07 km) |
| Burlingame to Orzinuovi | 5,981.42 mi (9,626.16 km) |
| Burlingame to Osimo | 6,189.98 mi (9,961.81 km) |
| Burlingame to Ospitaletto | 5,976.70 mi (9,618.58 km) |
| Burlingame to Ostuni | 6,462.56 mi (10,400.49 km) |
| Burlingame to Ottaviano | 6,370.13 mi (10,251.73 km) |
| Burlingame to Ovada | 5,986.46 mi (9,634.28 km) |
| Burlingame to Ozieri | 6,222.09 mi (10,013.48 km) |
| Burlingame to Paceco | 6,478.39 mi (10,425.97 km) |
