| Lousa to Oerlinghausen | 1,147.38 mi (1,846.52 km) |
| Lousa to Oestrich-Winkel | 1,042.66 mi (1,678.00 km) |
| Lousa to Offenburg | 983.42 mi (1,582.66 km) |
| Lousa to Oftersheim | 1,040.77 mi (1,674.96 km) |
| Lousa to Ohrdruf | 1,174.66 mi (1,890.43 km) |
| Lousa to Ohringen | 1,070.40 mi (1,722.64 km) |
| Lousa to Olbernhau | 1,268.46 mi (2,041.39 km) |
| Lousa to Olching | 1,114.58 mi (1,793.74 km) |
| Lousa to Oldenburg | 1,186.17 mi (1,908.95 km) |
| Lousa to Oldenburg in Holstein | 1,320.84 mi (2,125.68 km) |
| Lousa to Olfen | 1,094.27 mi (1,761.06 km) |
| Lousa to Olpe | 1,078.47 mi (1,735.62 km) |
| Lousa to Olsberg | 1,114.83 mi (1,794.14 km) |
| Lousa to Oranienburg | 1,335.94 mi (2,149.98 km) |
| Lousa to Ortenberg | 1,095.10 mi (1,762.40 km) |
