| Westchase to Orbetello | 5,119.66 mi (8,239.29 km) |
| Westchase to Oria | 5,477.13 mi (8,814.59 km) |
| Westchase to Oristano | 5,063.71 mi (8,149.25 km) |
| Westchase to Orta Nova | 5,361.64 mi (8,628.72 km) |
| Westchase to Orte | 5,173.70 mi (8,326.26 km) |
| Westchase to Ortona | 5,270.03 mi (8,481.29 km) |
| Westchase to Orvieto | 5,153.58 mi (8,293.88 km) |
| Westchase to Orzinuovi | 4,981.34 mi (8,016.70 km) |
| Westchase to Osimo | 5,194.69 mi (8,360.05 km) |
| Westchase to Ospitaletto | 4,983.58 mi (8,020.30 km) |
| Westchase to Ostuni | 5,467.28 mi (8,798.73 km) |
| Westchase to Ottaviano | 5,318.76 mi (8,559.72 km) |
| Westchase to Ovada | 4,942.54 mi (7,954.25 km) |
| Westchase to Ozieri | 5,065.43 mi (8,152.02 km) |
| Westchase to Paceco | 5,312.16 mi (8,549.09 km) |
