| Forest Hills to Orbetello | 4,603.02 mi (7,407.85 km) |
| Forest Hills to Oria | 4,944.69 mi (7,957.70 km) |
| Forest Hills to Oristano | 4,601.30 mi (7,405.08 km) |
| Forest Hills to Orta Nova | 4,831.19 mi (7,775.05 km) |
| Forest Hills to Orte | 4,649.33 mi (7,482.38 km) |
| Forest Hills to Ortona | 4,734.28 mi (7,619.08 km) |
| Forest Hills to Orvieto | 4,627.30 mi (7,446.91 km) |
| Forest Hills to Orzinuovi | 4,429.54 mi (7,128.65 km) |
| Forest Hills to Osimo | 4,649.06 mi (7,481.94 km) |
| Forest Hills to Ospitaletto | 4,428.74 mi (7,127.36 km) |
| Forest Hills to Ostuni | 4,932.09 mi (7,937.43 km) |
| Forest Hills to Ottaviano | 4,803.23 mi (7,730.06 km) |
| Forest Hills to Ovada | 4,409.23 mi (7,095.97 km) |
| Forest Hills to Ozieri | 4,590.16 mi (7,387.15 km) |
| Forest Hills to Paceco | 4,850.44 mi (7,806.03 km) |
