| Porto de Mos to Nuth | 1,055.56 mi (1,698.76 km) |
| Porto de Mos to Oegstgeest | 1,075.15 mi (1,730.29 km) |
| Porto de Mos to Oirschot | 1,065.03 mi (1,714.00 km) |
| Porto de Mos to Oisterwijk | 1,066.09 mi (1,715.71 km) |
| Porto de Mos to Oldebroek | 1,129.74 mi (1,818.14 km) |
| Porto de Mos to Oldenzaal | 1,154.28 mi (1,857.64 km) |
| Porto de Mos to Ommen | 1,148.28 mi (1,847.98 km) |
| Porto de Mos to Oosterend | 1,162.24 mi (1,870.45 km) |
| Porto de Mos to Oosterhout | 1,058.82 mi (1,704.01 km) |
| Porto de Mos to Oosterwolde | 1,168.01 mi (1,879.72 km) |
| Porto de Mos to Oostzaan | 1,099.75 mi (1,769.88 km) |
| Porto de Mos to Opmeer | 1,115.41 mi (1,795.08 km) |
| Porto de Mos to Oss | 1,084.64 mi (1,745.56 km) |
| Porto de Mos to Oud-Beijerland | 1,054.34 mi (1,696.80 km) |
| Porto de Mos to Oudenbosch | 1,046.33 mi (1,683.90 km) |
