| Halfeti to Opwijk | 1,897.43 mi (3,053.62 km) |
| Halfeti to Ostend | 1,955.10 mi (3,146.42 km) |
| Halfeti to Oud-Heverlee | 1,874.60 mi (3,016.87 km) |
| Halfeti to Oud-Turnhout | 1,871.68 mi (3,012.18 km) |
| Halfeti to Oudenaarde | 1,919.54 mi (3,089.20 km) |
| Halfeti to Oudenburg | 1,950.94 mi (3,139.73 km) |
| Halfeti to Oupeye | 1,831.31 mi (2,947.21 km) |
| Halfeti to Overijse | 1,879.16 mi (3,024.21 km) |
| Halfeti to Overpelt | 1,851.72 mi (2,980.05 km) |
| Halfeti to Paal | 1,857.89 mi (2,989.98 km) |
| Halfeti to Peer | 1,848.35 mi (2,974.64 km) |
| Halfeti to Pepinster | 1,821.06 mi (2,930.71 km) |
| Halfeti to Peruwelz | 1,914.04 mi (3,080.35 km) |
| Halfeti to Perwez | 1,864.17 mi (3,000.09 km) |
| Halfeti to Philippeville | 1,867.12 mi (3,004.84 km) |
