| Orem to Opwijk | 5,042.37 mi (8,114.91 km) |
| Orem to Ostend | 4,990.36 mi (8,031.21 km) |
| Orem to Oud-Heverlee | 5,063.88 mi (8,149.53 km) |
| Orem to Oud-Turnhout | 5,050.26 mi (8,127.60 km) |
| Orem to Oudenaarde | 5,029.68 mi (8,094.49 km) |
| Orem to Oudenburg | 4,994.91 mi (8,038.53 km) |
| Orem to Oupeye | 5,100.24 mi (8,208.04 km) |
| Orem to Overijse | 5,062.14 mi (8,146.73 km) |
| Orem to Overpelt | 5,068.43 mi (8,156.85 km) |
| Orem to Paal | 5,069.57 mi (8,158.69 km) |
| Orem to Peer | 5,073.66 mi (8,165.26 km) |
| Orem to Pepinster | 5,112.54 mi (8,227.84 km) |
| Orem to Peruwelz | 5,045.10 mi (8,119.30 km) |
| Orem to Perwez | 5,078.65 mi (8,173.29 km) |
| Orem to Philippeville | 5,090.90 mi (8,193.02 km) |
