| Willowick to Orbetello | 4,491.44 mi (7,228.28 km) |
| Willowick to Oria | 4,838.39 mi (7,786.64 km) |
| Willowick to Oristano | 4,477.95 mi (7,206.56 km) |
| Willowick to Orta Nova | 4,723.89 mi (7,602.36 km) |
| Willowick to Orte | 4,539.74 mi (7,306.00 km) |
| Willowick to Ortona | 4,627.71 mi (7,447.58 km) |
| Willowick to Orvieto | 4,518.02 mi (7,271.05 km) |
| Willowick to Orzinuovi | 4,325.16 mi (6,960.67 km) |
| Willowick to Osimo | 4,544.35 mi (7,313.43 km) |
| Willowick to Ospitaletto | 4,325.07 mi (6,960.53 km) |
| Willowick to Ostuni | 4,826.36 mi (7,767.27 km) |
| Willowick to Ottaviano | 4,692.42 mi (7,551.71 km) |
| Willowick to Ovada | 4,300.43 mi (6,920.87 km) |
| Willowick to Ozieri | 4,469.47 mi (7,192.91 km) |
| Willowick to Paceco | 4,728.21 mi (7,609.33 km) |
