| Opa-locka to Opwijk | 4,614.32 mi (7,426.03 km) |
| Opa-locka to Ostend | 4,556.90 mi (7,333.63 km) |
| Opa-locka to Oud-Heverlee | 4,636.94 mi (7,462.43 km) |
| Opa-locka to Oud-Turnhout | 4,642.53 mi (7,471.43 km) |
| Opa-locka to Oudenaarde | 4,591.34 mi (7,389.05 km) |
| Opa-locka to Oudenburg | 4,560.93 mi (7,340.10 km) |
| Opa-locka to Oupeye | 4,680.43 mi (7,532.42 km) |
| Opa-locka to Overijse | 4,632.07 mi (7,454.60 km) |
| Opa-locka to Overpelt | 4,662.37 mi (7,503.36 km) |
| Opa-locka to Paal | 4,655.02 mi (7,491.53 km) |
| Opa-locka to Peer | 4,665.31 mi (7,508.09 km) |
| Opa-locka to Pepinster | 4,690.21 mi (7,548.17 km) |
| Opa-locka to Peruwelz | 4,595.70 mi (7,396.07 km) |
| Opa-locka to Perwez | 4,646.63 mi (7,478.02 km) |
| Opa-locka to Philippeville | 4,642.19 mi (7,470.88 km) |
