| Waukegan to Oerlinghausen | 4,241.04 mi (6,825.29 km) |
| Waukegan to Oestrich-Winkel | 4,291.88 mi (6,907.11 km) |
| Waukegan to Offenburg | 4,348.72 mi (6,998.60 km) |
| Waukegan to Oftersheim | 4,337.88 mi (6,981.15 km) |
| Waukegan to Ohrdruf | 4,358.90 mi (7,014.97 km) |
| Waukegan to Ohringen | 4,378.52 mi (7,046.55 km) |
| Waukegan to Olbernhau | 4,457.63 mi (7,173.86 km) |
| Waukegan to Olching | 4,486.11 mi (7,219.69 km) |
| Waukegan to Oldenburg | 4,180.94 mi (6,728.57 km) |
| Waukegan to Oldenburg in Holstein | 4,228.97 mi (6,805.86 km) |
| Waukegan to Olfen | 4,204.45 mi (6,766.41 km) |
| Waukegan to Olpe | 4,247.02 mi (6,834.92 km) |
| Waukegan to Olsberg | 4,257.90 mi (6,852.42 km) |
| Waukegan to Oranienburg | 4,369.19 mi (7,031.53 km) |
| Waukegan to Ortenberg | 4,316.86 mi (6,947.32 km) |
