| Waunakee to Orbetello | 4,750.85 mi (7,645.76 km) |
| Waunakee to Oria | 5,088.31 mi (8,188.84 km) |
| Waunakee to Oristano | 4,757.04 mi (7,655.72 km) |
| Waunakee to Orta Nova | 4,975.70 mi (8,007.62 km) |
| Waunakee to Orte | 4,795.73 mi (7,717.99 km) |
| Waunakee to Ortona | 4,878.44 mi (7,851.10 km) |
| Waunakee to Orvieto | 4,773.51 mi (7,682.22 km) |
| Waunakee to Orzinuovi | 4,572.73 mi (7,359.10 km) |
| Waunakee to Osimo | 4,792.08 mi (7,712.11 km) |
| Waunakee to Ospitaletto | 4,571.44 mi (7,357.01 km) |
| Waunakee to Ostuni | 5,075.33 mi (8,167.96 km) |
| Waunakee to Ottaviano | 4,950.21 mi (7,966.60 km) |
| Waunakee to Ovada | 4,555.50 mi (7,331.36 km) |
| Waunakee to Ozieri | 4,744.15 mi (7,634.98 km) |
| Waunakee to Paceco | 5,005.06 mi (8,054.87 km) |
