| Sylvania to Opwijk | 3,987.73 mi (6,417.64 km) |
| Sylvania to Ostend | 3,930.84 mi (6,326.08 km) |
| Sylvania to Oud-Heverlee | 4,010.65 mi (6,454.52 km) |
| Sylvania to Oud-Turnhout | 4,006.87 mi (6,448.43 km) |
| Sylvania to Oudenaarde | 3,969.06 mi (6,387.58 km) |
| Sylvania to Oudenburg | 3,935.29 mi (6,333.23 km) |
| Sylvania to Oupeye | 4,052.21 mi (6,521.41 km) |
| Sylvania to Overijse | 4,007.17 mi (6,448.92 km) |
| Sylvania to Overpelt | 4,026.63 mi (6,480.24 km) |
| Sylvania to Paal | 4,023.22 mi (6,474.75 km) |
| Sylvania to Peer | 4,030.82 mi (6,486.97 km) |
| Sylvania to Pepinster | 4,063.62 mi (6,539.77 km) |
| Sylvania to Peruwelz | 3,979.18 mi (6,403.86 km) |
| Sylvania to Perwez | 4,023.25 mi (6,474.80 km) |
| Sylvania to Philippeville | 4,027.07 mi (6,480.94 km) |
