| Phoenix to Opwijk | 5,432.23 mi (8,742.33 km) |
| Phoenix to Ostend | 5,378.67 mi (8,656.13 km) |
| Phoenix to Oud-Heverlee | 5,454.23 mi (8,777.73 km) |
| Phoenix to Oud-Turnhout | 5,442.82 mi (8,759.37 km) |
| Phoenix to Oudenaarde | 5,418.01 mi (8,719.44 km) |
| Phoenix to Oudenburg | 5,383.23 mi (8,663.47 km) |
| Phoenix to Oupeye | 5,492.07 mi (8,838.64 km) |
| Phoenix to Overijse | 5,452.06 mi (8,774.24 km) |
| Phoenix to Overpelt | 5,461.49 mi (8,789.42 km) |
| Phoenix to Paal | 5,461.58 mi (8,789.57 km) |
| Phoenix to Peer | 5,466.51 mi (8,797.50 km) |
| Phoenix to Pepinster | 5,504.25 mi (8,858.24 km) |
| Phoenix to Peruwelz | 5,432.24 mi (8,742.35 km) |
| Phoenix to Perwez | 5,468.58 mi (8,800.83 km) |
| Phoenix to Philippeville | 5,478.88 mi (8,817.41 km) |
