| Oliveira de Azemeis to Oerlinghausen | 1,116.42 mi (1,796.70 km) |
| Oliveira de Azemeis to Oestrich-Winkel | 1,015.45 mi (1,634.20 km) |
| Oliveira de Azemeis to Offenburg | 960.27 mi (1,545.41 km) |
| Oliveira de Azemeis to Oftersheim | 1,015.78 mi (1,634.74 km) |
| Oliveira de Azemeis to Ohrdruf | 1,148.07 mi (1,847.64 km) |
| Oliveira de Azemeis to Ohringen | 1,046.75 mi (1,684.58 km) |
| Oliveira de Azemeis to Olbernhau | 1,244.27 mi (2,002.46 km) |
| Oliveira de Azemeis to Olching | 1,095.21 mi (1,762.57 km) |
| Oliveira de Azemeis to Oldenburg | 1,152.55 mi (1,854.86 km) |
| Oliveira de Azemeis to Oldenburg in Holstein | 1,287.55 mi (2,072.11 km) |
| Oliveira de Azemeis to Olfen | 1,062.53 mi (1,709.97 km) |
| Oliveira de Azemeis to Olpe | 1,048.68 mi (1,687.69 km) |
| Oliveira de Azemeis to Olsberg | 1,084.98 mi (1,746.10 km) |
| Oliveira de Azemeis to Oranienburg | 1,307.24 mi (2,103.79 km) |
| Oliveira de Azemeis to Ortenberg | 1,068.09 mi (1,718.92 km) |
