| Pefki to Oegstgeest | 1,348.05 mi (2,169.47 km) |
| Pefki to Oirschot | 1,290.76 mi (2,077.28 km) |
| Pefki to Oisterwijk | 1,297.71 mi (2,088.47 km) |
| Pefki to Oldebroek | 1,313.85 mi (2,114.44 km) |
| Pefki to Oldenzaal | 1,275.68 mi (2,053.00 km) |
| Pefki to Ommen | 1,300.98 mi (2,093.72 km) |
| Pefki to Oosterend | 1,334.73 mi (2,148.04 km) |
| Pefki to Oosterhout | 1,311.81 mi (2,111.15 km) |
| Pefki to Oosterwolde | 1,327.33 mi (2,136.14 km) |
| Pefki to Oostzaan | 1,345.40 mi (2,165.21 km) |
| Pefki to Opmeer | 1,355.20 mi (2,180.99 km) |
| Pefki to Oss | 1,295.23 mi (2,084.46 km) |
| Pefki to Oud-Beijerland | 1,334.60 mi (2,147.83 km) |
| Pefki to Oudenbosch | 1,320.80 mi (2,125.63 km) |
| Pefki to Oudewater | 1,327.60 mi (2,136.57 km) |
