| Vila Real de Santo Antonio to Nuth | 1,151.59 mi (1,853.31 km) |
| Vila Real de Santo Antonio to Oegstgeest | 1,185.33 mi (1,907.60 km) |
| Vila Real de Santo Antonio to Oirschot | 1,167.49 mi (1,878.90 km) |
| Vila Real de Santo Antonio to Oisterwijk | 1,169.51 mi (1,882.15 km) |
| Vila Real de Santo Antonio to Oldebroek | 1,235.32 mi (1,988.05 km) |
| Vila Real de Santo Antonio to Oldenzaal | 1,254.89 mi (2,019.55 km) |
| Vila Real de Santo Antonio to Ommen | 1,252.14 mi (2,015.12 km) |
| Vila Real de Santo Antonio to Oosterend | 1,270.24 mi (2,044.25 km) |
| Vila Real de Santo Antonio to Oosterhout | 1,164.15 mi (1,873.52 km) |
| Vila Real de Santo Antonio to Oosterwolde | 1,275.04 mi (2,051.99 km) |
| Vila Real de Santo Antonio to Oostzaan | 1,209.50 mi (1,946.50 km) |
| Vila Real de Santo Antonio to Opmeer | 1,226.31 mi (1,973.56 km) |
| Vila Real de Santo Antonio to Oss | 1,187.80 mi (1,911.57 km) |
| Vila Real de Santo Antonio to Oud-Beijerland | 1,162.75 mi (1,871.27 km) |
| Vila Real de Santo Antonio to Oudenbosch | 1,152.84 mi (1,855.32 km) |
