| Oliveira do Bairro to Oerlinghausen | 1,134.28 mi (1,825.45 km) |
| Oliveira do Bairro to Oestrich-Winkel | 1,032.03 mi (1,660.90 km) |
| Oliveira do Bairro to Offenburg | 975.42 mi (1,569.79 km) |
| Oliveira do Bairro to Oftersheim | 1,031.59 mi (1,660.19 km) |
| Oliveira do Bairro to Ohrdruf | 1,164.47 mi (1,874.03 km) |
| Oliveira do Bairro to Ohringen | 1,062.09 mi (1,709.27 km) |
| Oliveira do Bairro to Olbernhau | 1,259.85 mi (2,027.53 km) |
| Oliveira do Bairro to Olching | 1,109.02 mi (1,784.79 km) |
| Oliveira do Bairro to Oldenburg | 1,171.27 mi (1,884.98 km) |
| Oliveira do Bairro to Oldenburg in Holstein | 1,306.18 mi (2,102.10 km) |
| Oliveira do Bairro to Olfen | 1,080.64 mi (1,739.12 km) |
| Oliveira do Bairro to Olpe | 1,066.15 mi (1,715.80 km) |
| Oliveira do Bairro to Olsberg | 1,102.47 mi (1,774.25 km) |
| Oliveira do Bairro to Oranienburg | 1,324.38 mi (2,131.38 km) |
| Oliveira do Bairro to Ortenberg | 1,084.62 mi (1,745.52 km) |
