| Hassa to Opwijk | 1,862.16 mi (2,996.86 km) |
| Hassa to Ostend | 1,919.85 mi (3,089.70 km) |
| Hassa to Oud-Heverlee | 1,839.24 mi (2,959.97 km) |
| Hassa to Oud-Turnhout | 1,837.79 mi (2,957.63 km) |
| Hassa to Oudenaarde | 1,883.66 mi (3,031.46 km) |
| Hassa to Oudenburg | 1,915.62 mi (3,082.89 km) |
| Hassa to Oupeye | 1,796.18 mi (2,890.67 km) |
| Hassa to Overijse | 1,843.59 mi (2,966.97 km) |
| Hassa to Overpelt | 1,817.82 mi (2,925.50 km) |
| Hassa to Paal | 1,823.37 mi (2,934.43 km) |
| Hassa to Peer | 1,814.25 mi (2,919.75 km) |
| Hassa to Pepinster | 1,785.65 mi (2,873.72 km) |
| Hassa to Peruwelz | 1,877.29 mi (3,021.20 km) |
| Hassa to Perwez | 1,828.33 mi (2,942.42 km) |
| Hassa to Philippeville | 1,830.02 mi (2,945.13 km) |
