| Wooster to Orbetello | 4,544.11 mi (7,313.04 km) |
| Wooster to Oria | 4,891.80 mi (7,872.60 km) |
| Wooster to Oristano | 4,528.58 mi (7,288.04 km) |
| Wooster to Orta Nova | 4,777.18 mi (7,688.12 km) |
| Wooster to Orte | 4,592.71 mi (7,391.26 km) |
| Wooster to Ortona | 4,681.14 mi (7,533.56 km) |
| Wooster to Orvieto | 4,571.06 mi (7,356.40 km) |
| Wooster to Orzinuovi | 4,378.99 mi (7,047.31 km) |
| Wooster to Osimo | 4,598.09 mi (7,399.90 km) |
| Wooster to Ospitaletto | 4,379.01 mi (7,047.34 km) |
| Wooster to Ostuni | 4,879.86 mi (7,853.38 km) |
| Wooster to Ottaviano | 4,745.16 mi (7,636.59 km) |
| Wooster to Ovada | 4,353.60 mi (7,006.44 km) |
| Wooster to Ozieri | 4,520.58 mi (7,275.18 km) |
| Wooster to Paceco | 4,778.98 mi (7,691.02 km) |
