| Scalea to Oegstgeest | 1,010.25 mi (1,625.85 km) |
| Scalea to Oirschot | 951.15 mi (1,530.72 km) |
| Scalea to Oisterwijk | 958.33 mi (1,542.28 km) |
| Scalea to Oldebroek | 991.18 mi (1,595.15 km) |
| Scalea to Oldenzaal | 960.92 mi (1,546.45 km) |
| Scalea to Ommen | 983.78 mi (1,583.24 km) |
| Scalea to Oosterend | 1,020.19 mi (1,641.84 km) |
| Scalea to Oosterhout | 970.41 mi (1,561.72 km) |
| Scalea to Oosterwolde | 1,014.67 mi (1,632.96 km) |
| Scalea to Oostzaan | 1,013.93 mi (1,631.77 km) |
| Scalea to Opmeer | 1,027.50 mi (1,653.60 km) |
| Scalea to Oss | 960.78 mi (1,546.23 km) |
| Scalea to Oud-Beijerland | 991.81 mi (1,596.16 km) |
| Scalea to Oudenbosch | 976.14 mi (1,570.95 km) |
| Scalea to Oudewater | 990.92 mi (1,594.73 km) |
