| Monteprandone to Oegstgeest | 773.69 mi (1,245.13 km) |
| Monteprandone to Oirschot | 714.58 mi (1,150.00 km) |
| Monteprandone to Oisterwijk | 721.76 mi (1,161.56 km) |
| Monteprandone to Oldebroek | 753.97 mi (1,213.40 km) |
| Monteprandone to Oldenzaal | 723.85 mi (1,164.93 km) |
| Monteprandone to Ommen | 746.62 mi (1,201.57 km) |
| Monteprandone to Oosterend | 783.06 mi (1,260.22 km) |
| Monteprandone to Oosterhout | 734.05 mi (1,181.34 km) |
| Monteprandone to Oosterwolde | 777.60 mi (1,251.43 km) |
| Monteprandone to Oostzaan | 776.97 mi (1,250.42 km) |
| Monteprandone to Opmeer | 790.40 mi (1,272.03 km) |
| Monteprandone to Oss | 723.88 mi (1,164.98 km) |
| Monteprandone to Oud-Beijerland | 755.64 mi (1,216.09 km) |
| Monteprandone to Oudenbosch | 740.13 mi (1,191.13 km) |
| Monteprandone to Oudewater | 754.22 mi (1,213.80 km) |
