| Vila Real to Nuth | 928.90 mi (1,494.93 km) |
| Vila Real to Oegstgeest | 946.15 mi (1,522.68 km) |
| Vila Real to Oirschot | 937.15 mi (1,508.19 km) |
| Vila Real to Oisterwijk | 938.05 mi (1,509.64 km) |
| Vila Real to Oldebroek | 1,001.27 mi (1,611.39 km) |
| Vila Real to Oldenzaal | 1,026.56 mi (1,652.08 km) |
| Vila Real to Ommen | 1,020.03 mi (1,641.59 km) |
| Vila Real to Oosterend | 1,033.41 mi (1,663.11 km) |
| Vila Real to Oosterhout | 930.49 mi (1,497.49 km) |
| Vila Real to Oosterwolde | 1,039.29 mi (1,672.57 km) |
| Vila Real to Oostzaan | 970.77 mi (1,562.31 km) |
| Vila Real to Opmeer | 986.29 mi (1,587.27 km) |
| Vila Real to Oss | 956.61 mi (1,539.51 km) |
| Vila Real to Oud-Beijerland | 925.59 mi (1,489.59 km) |
| Vila Real to Oudenbosch | 917.84 mi (1,477.12 km) |
