| Peniche to Nuth | 1,087.20 mi (1,749.68 km) |
| Peniche to Oegstgeest | 1,105.40 mi (1,778.97 km) |
| Peniche to Oirschot | 1,096.08 mi (1,763.98 km) |
| Peniche to Oisterwijk | 1,097.05 mi (1,765.53 km) |
| Peniche to Oldebroek | 1,160.42 mi (1,867.52 km) |
| Peniche to Oldenzaal | 1,185.43 mi (1,907.77 km) |
| Peniche to Ommen | 1,179.12 mi (1,897.60 km) |
| Peniche to Oosterend | 1,192.64 mi (1,919.37 km) |
| Peniche to Oosterhout | 1,089.60 mi (1,753.54 km) |
| Peniche to Oosterwolde | 1,198.50 mi (1,928.80 km) |
| Peniche to Oostzaan | 1,130.02 mi (1,818.59 km) |
| Peniche to Opmeer | 1,145.53 mi (1,843.56 km) |
| Peniche to Oss | 1,115.61 mi (1,795.40 km) |
| Peniche to Oud-Beijerland | 1,084.80 mi (1,745.82 km) |
| Peniche to Oudenbosch | 1,076.99 mi (1,733.25 km) |
