| Opa-locka to Nuth | 4,687.06 mi (7,543.09 km) |
| Opa-locka to Oegstgeest | 4,607.44 mi (7,414.95 km) |
| Opa-locka to Oirschot | 4,652.84 mi (7,488.02 km) |
| Opa-locka to Oisterwijk | 4,647.31 mi (7,479.12 km) |
| Opa-locka to Oldebroek | 4,662.16 mi (7,503.03 km) |
| Opa-locka to Oldenzaal | 4,706.67 mi (7,574.66 km) |
| Opa-locka to Ommen | 4,682.17 mi (7,535.22 km) |
| Opa-locka to Oosterend | 4,659.92 mi (7,499.42 km) |
| Opa-locka to Oosterhout | 4,632.03 mi (7,454.53 km) |
| Opa-locka to Oosterwolde | 4,669.23 mi (7,514.40 km) |
| Opa-locka to Oostzaan | 4,620.76 mi (7,436.39 km) |
| Opa-locka to Opmeer | 4,619.37 mi (7,434.16 km) |
| Opa-locka to Oss | 4,657.52 mi (7,495.55 km) |
| Opa-locka to Oud-Beijerland | 4,610.28 mi (7,419.52 km) |
| Opa-locka to Oudenbosch | 4,618.96 mi (7,433.51 km) |
