| Middle Valley to Opwijk | 4,356.38 mi (7,010.92 km) |
| Middle Valley to Ostend | 4,298.91 mi (6,918.43 km) |
| Middle Valley to Oud-Heverlee | 4,379.38 mi (7,047.92 km) |
| Middle Valley to Oud-Turnhout | 4,378.40 mi (7,046.36 km) |
| Middle Valley to Oudenaarde | 4,336.26 mi (6,978.53 km) |
| Middle Valley to Oudenburg | 4,303.26 mi (6,925.43 km) |
| Middle Valley to Oupeye | 4,421.82 mi (7,116.23 km) |
| Middle Valley to Overijse | 4,375.45 mi (7,041.60 km) |
| Middle Valley to Overpelt | 4,398.33 mi (7,078.43 km) |
| Middle Valley to Paal | 4,393.71 mi (7,070.99 km) |
| Middle Valley to Peer | 4,402.17 mi (7,084.61 km) |
| Middle Valley to Pepinster | 4,432.82 mi (7,133.93 km) |
| Middle Valley to Peruwelz | 4,344.69 mi (6,992.10 km) |
| Middle Valley to Perwez | 4,391.18 mi (7,066.92 km) |
| Middle Valley to Philippeville | 4,392.51 mi (7,069.06 km) |
