| Wood Dale to Orbetello | 4,745.32 mi (7,636.85 km) |
| Wood Dale to Oria | 5,086.23 mi (8,185.50 km) |
| Wood Dale to Oristano | 4,744.78 mi (7,635.98 km) |
| Wood Dale to Orta Nova | 4,972.90 mi (8,003.11 km) |
| Wood Dale to Orte | 4,791.38 mi (7,710.98 km) |
| Wood Dale to Ortona | 4,875.91 mi (7,847.01 km) |
| Wood Dale to Orvieto | 4,769.30 mi (7,675.45 km) |
| Wood Dale to Orzinuovi | 4,570.93 mi (7,356.21 km) |
| Wood Dale to Osimo | 4,790.45 mi (7,709.48 km) |
| Wood Dale to Ospitaletto | 4,570.03 mi (7,354.75 km) |
| Wood Dale to Ostuni | 5,073.55 mi (8,165.09 km) |
| Wood Dale to Ottaviano | 4,945.40 mi (7,958.85 km) |
| Wood Dale to Ovada | 4,551.22 mi (7,324.49 km) |
| Wood Dale to Ozieri | 4,733.41 mi (7,617.69 km) |
| Wood Dale to Paceco | 4,993.79 mi (8,036.73 km) |
