| Lake Ridge to Oerlinghausen | 4,025.30 mi (6,478.09 km) |
| Lake Ridge to Oestrich-Winkel | 4,054.20 mi (6,524.60 km) |
| Lake Ridge to Offenburg | 4,095.90 mi (6,591.71 km) |
| Lake Ridge to Oftersheim | 4,096.14 mi (6,592.10 km) |
| Lake Ridge to Ohrdruf | 4,139.06 mi (6,661.18 km) |
| Lake Ridge to Ohringen | 4,138.46 mi (6,660.20 km) |
| Lake Ridge to Olbernhau | 4,245.80 mi (6,832.96 km) |
| Lake Ridge to Olching | 4,243.43 mi (6,829.13 km) |
| Lake Ridge to Oldenburg | 3,975.75 mi (6,398.34 km) |
| Lake Ridge to Oldenburg in Holstein | 4,044.42 mi (6,508.87 km) |
| Lake Ridge to Olfen | 3,981.86 mi (6,408.18 km) |
| Lake Ridge to Olpe | 4,018.87 mi (6,467.75 km) |
| Lake Ridge to Olsberg | 4,035.32 mi (6,494.22 km) |
| Lake Ridge to Oranienburg | 4,177.18 mi (6,722.52 km) |
| Lake Ridge to Ortenberg | 4,086.41 mi (6,576.44 km) |
