| Salcea to Opwijk | 1,021.20 mi (1,643.46 km) |
| Salcea to Ostend | 1,077.20 mi (1,733.58 km) |
| Salcea to Oud-Heverlee | 999.50 mi (1,608.54 km) |
| Salcea to Oud-Turnhout | 988.93 mi (1,591.53 km) |
| Salcea to Oudenaarde | 1,046.02 mi (1,683.40 km) |
| Salcea to Oudenburg | 1,073.51 mi (1,727.65 km) |
| Salcea to Oupeye | 956.29 mi (1,539.01 km) |
| Salcea to Overijse | 1,005.07 mi (1,617.50 km) |
| Salcea to Overpelt | 969.53 mi (1,560.31 km) |
| Salcea to Paal | 978.76 mi (1,575.16 km) |
| Salcea to Peer | 967.30 mi (1,556.72 km) |
| Salcea to Pepinster | 947.94 mi (1,525.57 km) |
| Salcea to Peruwelz | 1,045.67 mi (1,682.84 km) |
| Salcea to Perwez | 992.05 mi (1,596.54 km) |
| Salcea to Philippeville | 1,002.35 mi (1,613.13 km) |
