| Barlad to Nuth | 1,043.08 mi (1,678.67 km) |
| Barlad to Oegstgeest | 1,119.56 mi (1,801.77 km) |
| Barlad to Oirschot | 1,075.15 mi (1,730.29 km) |
| Barlad to Oisterwijk | 1,080.48 mi (1,738.86 km) |
| Barlad to Oldebroek | 1,065.14 mi (1,714.18 km) |
| Barlad to Oldenzaal | 1,020.69 mi (1,642.65 km) |
| Barlad to Ommen | 1,045.44 mi (1,682.48 km) |
| Barlad to Oosterend | 1,069.14 mi (1,720.62 km) |
| Barlad to Oosterhout | 1,095.72 mi (1,763.39 km) |
| Barlad to Oosterwolde | 1,059.94 mi (1,705.81 km) |
| Barlad to Oostzaan | 1,106.32 mi (1,780.45 km) |
| Barlad to Opmeer | 1,108.13 mi (1,783.37 km) |
| Barlad to Oss | 1,069.77 mi (1,721.62 km) |
| Barlad to Oud-Beijerland | 1,117.20 mi (1,797.97 km) |
| Barlad to Oudenbosch | 1,109.06 mi (1,784.87 km) |
