| Lousada to Oerlinghausen | 1,084.42 mi (1,745.21 km) |
| Lousada to Oestrich-Winkel | 984.67 mi (1,584.67 km) |
| Lousada to Offenburg | 931.01 mi (1,498.31 km) |
| Lousada to Oftersheim | 985.79 mi (1,586.47 km) |
| Lousada to Ohrdruf | 1,117.45 mi (1,798.37 km) |
| Lousada to Ohringen | 1,017.24 mi (1,637.09 km) |
| Lousada to Olbernhau | 1,214.48 mi (1,954.52 km) |
| Lousada to Olching | 1,067.39 mi (1,717.80 km) |
| Lousada to Oldenburg | 1,119.83 mi (1,802.20 km) |
| Lousada to Oldenburg in Holstein | 1,254.89 mi (2,019.55 km) |
| Lousada to Olfen | 1,030.32 mi (1,658.14 km) |
| Lousada to Olpe | 1,017.06 mi (1,636.79 km) |
| Lousada to Olsberg | 1,053.32 mi (1,695.15 km) |
| Lousada to Oranienburg | 1,275.88 mi (2,053.33 km) |
| Lousada to Ortenberg | 1,037.36 mi (1,669.47 km) |
