| Arruda dos Vinhos to Nuth | 1,097.73 mi (1,766.62 km) |
| Arruda dos Vinhos to Oegstgeest | 1,118.58 mi (1,800.18 km) |
| Arruda dos Vinhos to Oirschot | 1,107.81 mi (1,782.85 km) |
| Arruda dos Vinhos to Oisterwijk | 1,108.96 mi (1,784.69 km) |
| Arruda dos Vinhos to Oldebroek | 1,172.83 mi (1,887.49 km) |
| Arruda dos Vinhos to Oldenzaal | 1,196.96 mi (1,926.32 km) |
| Arruda dos Vinhos to Ommen | 1,191.24 mi (1,917.11 km) |
| Arruda dos Vinhos to Oosterend | 1,205.55 mi (1,940.15 km) |
| Arruda dos Vinhos to Oosterhout | 1,101.85 mi (1,773.25 km) |
| Arruda dos Vinhos to Oosterwolde | 1,211.24 mi (1,949.30 km) |
| Arruda dos Vinhos to Oostzaan | 1,143.16 mi (1,839.74 km) |
| Arruda dos Vinhos to Opmeer | 1,158.92 mi (1,865.10 km) |
| Arruda dos Vinhos to Oss | 1,127.50 mi (1,814.53 km) |
| Arruda dos Vinhos to Oud-Beijerland | 1,097.62 mi (1,766.45 km) |
| Arruda dos Vinhos to Oudenbosch | 1,089.44 mi (1,753.29 km) |
