| Whittier to Orbetello | 6,258.23 mi (10,071.64 km) |
| Whittier to Oria | 6,567.68 mi (10,569.65 km) |
| Whittier to Oristano | 6,301.42 mi (10,141.15 km) |
| Whittier to Orta Nova | 6,462.06 mi (10,399.67 km) |
| Whittier to Orte | 6,295.23 mi (10,131.20 km) |
| Whittier to Ortona | 6,365.13 mi (10,243.68 km) |
| Whittier to Orvieto | 6,272.55 mi (10,094.69 km) |
| Whittier to Orzinuovi | 6,061.22 mi (9,754.60 km) |
| Whittier to Osimo | 6,274.89 mi (10,098.45 km) |
| Whittier to Ospitaletto | 6,057.54 mi (9,748.67 km) |
| Whittier to Ostuni | 6,553.04 mi (10,546.10 km) |
| Whittier to Ottaviano | 6,449.50 mi (10,379.46 km) |
| Whittier to Ovada | 6,059.21 mi (9,751.36 km) |
| Whittier to Ozieri | 6,280.75 mi (10,107.90 km) |
| Whittier to Paceco | 6,540.50 mi (10,525.91 km) |
