| Castelfranco Emilia to Oegstgeest | 604.47 mi (972.80 km) |
| Castelfranco Emilia to Oirschot | 545.59 mi (878.05 km) |
| Castelfranco Emilia to Oisterwijk | 552.74 mi (889.56 km) |
| Castelfranco Emilia to Oldebroek | 591.26 mi (951.54 km) |
| Castelfranco Emilia to Oldenzaal | 565.58 mi (910.21 km) |
| Castelfranco Emilia to Ommen | 586.55 mi (943.96 km) |
| Castelfranco Emilia to Oosterend | 623.24 mi (1,003.00 km) |
| Castelfranco Emilia to Oosterhout | 564.07 mi (907.78 km) |
| Castelfranco Emilia to Oosterwolde | 618.77 mi (995.81 km) |
| Castelfranco Emilia to Oostzaan | 610.13 mi (981.92 km) |
| Castelfranco Emilia to Opmeer | 624.82 mi (1,005.56 km) |
| Castelfranco Emilia to Oss | 556.81 mi (896.10 km) |
| Castelfranco Emilia to Oud-Beijerland | 584.85 mi (941.23 km) |
| Castelfranco Emilia to Oudenbosch | 568.87 mi (915.51 km) |
| Castelfranco Emilia to Oudewater | 585.72 mi (942.63 km) |
