| Security-Widefield to Opwijk | 4,899.13 mi (7,884.39 km) |
| Security-Widefield to Ostend | 4,844.97 mi (7,797.22 km) |
| Security-Widefield to Oud-Heverlee | 4,921.32 mi (7,920.09 km) |
| Security-Widefield to Oud-Turnhout | 4,910.95 mi (7,903.41 km) |
| Security-Widefield to Oudenaarde | 4,884.26 mi (7,860.45 km) |
| Security-Widefield to Oudenburg | 4,849.53 mi (7,804.56 km) |
| Security-Widefield to Oupeye | 4,959.79 mi (7,982.01 km) |
| Security-Widefield to Overijse | 4,918.96 mi (7,916.30 km) |
| Security-Widefield to Overpelt | 4,929.83 mi (7,933.80 km) |
| Security-Widefield to Paal | 4,929.43 mi (7,933.14 km) |
| Security-Widefield to Peer | 4,934.75 mi (7,941.71 km) |
| Security-Widefield to Pepinster | 4,971.89 mi (8,001.49 km) |
| Security-Widefield to Peruwelz | 4,897.98 mi (7,882.53 km) |
| Security-Widefield to Perwez | 4,935.46 mi (7,942.86 km) |
| Security-Widefield to Philippeville | 4,944.90 mi (7,958.06 km) |
