| Oliveira do Bairro to Nuth | 995.49 mi (1,602.09 km) |
| Oliveira do Bairro to Oegstgeest | 1,012.74 mi (1,629.85 km) |
| Oliveira do Bairro to Oirschot | 1,003.83 mi (1,615.52 km) |
| Oliveira do Bairro to Oisterwijk | 1,004.74 mi (1,616.97 km) |
| Oliveira do Bairro to Oldebroek | 1,067.94 mi (1,718.69 km) |
| Oliveira do Bairro to Oldenzaal | 1,093.24 mi (1,759.40 km) |
| Oliveira do Bairro to Ommen | 1,086.72 mi (1,748.91 km) |
| Oliveira do Bairro to Oosterend | 1,100.03 mi (1,770.33 km) |
| Oliveira do Bairro to Oosterhout | 997.18 mi (1,604.80 km) |
| Oliveira do Bairro to Oosterwolde | 1,105.93 mi (1,779.82 km) |
| Oliveira do Bairro to Oostzaan | 1,037.37 mi (1,669.49 km) |
| Oliveira do Bairro to Opmeer | 1,052.84 mi (1,694.39 km) |
| Oliveira do Bairro to Oss | 1,023.30 mi (1,646.84 km) |
| Oliveira do Bairro to Oud-Beijerland | 992.23 mi (1,596.83 km) |
| Oliveira do Bairro to Oudenbosch | 984.51 mi (1,584.42 km) |
