| Petrich to Oegstgeest | 1,152.21 mi (1,854.30 km) |
| Petrich to Oirschot | 1,096.77 mi (1,765.08 km) |
| Petrich to Oisterwijk | 1,103.49 mi (1,775.89 km) |
| Petrich to Oldebroek | 1,112.89 mi (1,791.02 km) |
| Petrich to Oldenzaal | 1,072.65 mi (1,726.27 km) |
| Petrich to Ommen | 1,098.32 mi (1,767.57 km) |
| Petrich to Oosterend | 1,130.57 mi (1,819.48 km) |
| Petrich to Oosterhout | 1,118.14 mi (1,799.47 km) |
| Petrich to Oosterwolde | 1,122.68 mi (1,806.78 km) |
| Petrich to Oostzaan | 1,147.12 mi (1,846.11 km) |
| Petrich to Opmeer | 1,155.34 mi (1,859.34 km) |
| Petrich to Oss | 1,099.06 mi (1,768.76 km) |
| Petrich to Oud-Beijerland | 1,141.08 mi (1,836.39 km) |
| Petrich to Oudenbosch | 1,128.34 mi (1,815.89 km) |
| Petrich to Oudewater | 1,131.70 mi (1,821.30 km) |
