| Petroupoli to Oegstgeest | 1,346.03 mi (2,166.23 km) |
| Petroupoli to Oirschot | 1,288.67 mi (2,073.92 km) |
| Petroupoli to Oisterwijk | 1,295.63 mi (2,085.12 km) |
| Petroupoli to Oldebroek | 1,312.10 mi (2,111.62 km) |
| Petroupoli to Oldenzaal | 1,274.04 mi (2,050.38 km) |
| Petroupoli to Ommen | 1,299.32 mi (2,091.05 km) |
| Petroupoli to Oosterend | 1,333.14 mi (2,145.49 km) |
| Petroupoli to Oosterhout | 1,309.70 mi (2,107.76 km) |
| Petroupoli to Oosterwolde | 1,325.78 mi (2,133.63 km) |
| Petroupoli to Oostzaan | 1,343.50 mi (2,162.15 km) |
| Petroupoli to Opmeer | 1,353.38 mi (2,178.06 km) |
| Petroupoli to Oss | 1,293.24 mi (2,081.27 km) |
| Petroupoli to Oud-Beijerland | 1,332.48 mi (2,144.42 km) |
| Petroupoli to Oudenbosch | 1,318.64 mi (2,122.14 km) |
| Petroupoli to Oudewater | 1,325.60 mi (2,133.34 km) |
