| Uniondale to Opwijk | 3,632.35 mi (5,845.71 km) |
| Uniondale to Ostend | 3,574.72 mi (5,752.96 km) |
| Uniondale to Oud-Heverlee | 3,655.33 mi (5,882.68 km) |
| Uniondale to Oud-Turnhout | 3,655.92 mi (5,883.63 km) |
| Uniondale to Oudenaarde | 3,611.52 mi (5,812.17 km) |
| Uniondale to Oudenburg | 3,579.01 mi (5,759.86 km) |
| Uniondale to Oupeye | 3,698.14 mi (5,951.59 km) |
| Uniondale to Overijse | 3,651.17 mi (5,876.00 km) |
| Uniondale to Overpelt | 3,675.88 mi (5,915.76 km) |
| Uniondale to Paal | 3,670.58 mi (5,907.23 km) |
| Uniondale to Peer | 3,679.51 mi (5,921.60 km) |
| Uniondale to Pepinster | 3,708.89 mi (5,968.88 km) |
| Uniondale to Peruwelz | 3,619.07 mi (5,824.34 km) |
| Uniondale to Perwez | 3,666.68 mi (5,900.96 km) |
| Uniondale to Philippeville | 3,666.74 mi (5,901.05 km) |
