| Lake Grove to Oerlinghausen | 3,759.89 mi (6,050.95 km) |
| Lake Grove to Oestrich-Winkel | 3,787.37 mi (6,095.18 km) |
| Lake Grove to Offenburg | 3,828.33 mi (6,161.10 km) |
| Lake Grove to Oftersheim | 3,829.07 mi (6,162.29 km) |
| Lake Grove to Ohrdruf | 3,873.24 mi (6,233.38 km) |
| Lake Grove to Ohringen | 3,871.44 mi (6,230.48 km) |
| Lake Grove to Olbernhau | 3,980.45 mi (6,405.91 km) |
| Lake Grove to Olching | 3,976.21 mi (6,399.10 km) |
| Lake Grove to Oldenburg | 3,711.21 mi (5,972.62 km) |
| Lake Grove to Oldenburg in Holstein | 3,781.66 mi (6,085.99 km) |
| Lake Grove to Olfen | 3,716.01 mi (5,980.34 km) |
| Lake Grove to Olpe | 3,752.62 mi (6,039.26 km) |
| Lake Grove to Olsberg | 3,769.42 mi (6,066.29 km) |
| Lake Grove to Oranienburg | 3,913.52 mi (6,298.20 km) |
| Lake Grove to Ortenberg | 3,819.96 mi (6,147.63 km) |
