| South El Monte to Nuth | 5,650.22 mi (9,093.16 km) |
| South El Monte to Oegstgeest | 5,545.17 mi (8,924.09 km) |
| South El Monte to Oirschot | 5,603.74 mi (9,018.34 km) |
| South El Monte to Oisterwijk | 5,596.62 mi (9,006.89 km) |
| South El Monte to Oldebroek | 5,574.60 mi (8,971.46 km) |
| South El Monte to Oldenzaal | 5,611.40 mi (9,030.67 km) |
| South El Monte to Ommen | 5,586.38 mi (8,990.41 km) |
| South El Monte to Oosterend | 5,551.99 mi (8,935.07 km) |
| South El Monte to Oosterhout | 5,583.33 mi (8,985.50 km) |
| South El Monte to Oosterwolde | 5,559.15 mi (8,946.59 km) |
| South El Monte to Oostzaan | 5,545.41 mi (8,924.47 km) |
| South El Monte to Opmeer | 5,534.32 mi (8,906.63 km) |
| South El Monte to Oss | 5,597.07 mi (9,007.62 km) |
| South El Monte to Oud-Beijerland | 5,561.02 mi (8,949.60 km) |
| South El Monte to Oudenbosch | 5,575.88 mi (8,973.51 km) |
