| East San Gabriel to Nuth | 5,647.26 mi (9,088.38 km) |
| East San Gabriel to Oegstgeest | 5,542.19 mi (8,919.29 km) |
| East San Gabriel to Oirschot | 5,600.76 mi (9,013.55 km) |
| East San Gabriel to Oisterwijk | 5,593.64 mi (9,002.10 km) |
| East San Gabriel to Oldebroek | 5,571.56 mi (8,966.57 km) |
| East San Gabriel to Oldenzaal | 5,608.33 mi (9,025.74 km) |
| East San Gabriel to Ommen | 5,583.32 mi (8,985.49 km) |
| East San Gabriel to Oosterend | 5,548.92 mi (8,930.13 km) |
| East San Gabriel to Oosterhout | 5,580.36 mi (8,980.72 km) |
| East San Gabriel to Oosterwolde | 5,556.08 mi (8,941.64 km) |
| East San Gabriel to Oostzaan | 5,542.40 mi (8,919.63 km) |
| East San Gabriel to Opmeer | 5,531.30 mi (8,901.77 km) |
| East San Gabriel to Oss | 5,594.08 mi (9,002.80 km) |
| East San Gabriel to Oud-Beijerland | 5,558.06 mi (8,944.83 km) |
| East San Gabriel to Oudenbosch | 5,572.92 mi (8,968.75 km) |
