| Marousi to Oegstgeest | 1,348.96 mi (2,170.94 km) |
| Marousi to Oirschot | 1,291.67 mi (2,078.74 km) |
| Marousi to Oisterwijk | 1,298.62 mi (2,089.93 km) |
| Marousi to Oldebroek | 1,314.80 mi (2,115.96 km) |
| Marousi to Oldenzaal | 1,276.63 mi (2,054.54 km) |
| Marousi to Ommen | 1,301.93 mi (2,095.26 km) |
| Marousi to Oosterend | 1,335.69 mi (2,149.58 km) |
| Marousi to Oosterhout | 1,312.71 mi (2,112.61 km) |
| Marousi to Oosterwolde | 1,328.30 mi (2,137.69 km) |
| Marousi to Oostzaan | 1,346.33 mi (2,166.70 km) |
| Marousi to Opmeer | 1,356.14 mi (2,182.49 km) |
| Marousi to Oss | 1,296.15 mi (2,085.94 km) |
| Marousi to Oud-Beijerland | 1,335.50 mi (2,149.29 km) |
| Marousi to Oudenbosch | 1,321.70 mi (2,127.07 km) |
| Marousi to Oudewater | 1,328.52 mi (2,138.05 km) |
