| Martorell to Opwijk | 664.55 mi (1,069.49 km) |
| Martorell to Ostend | 675.39 mi (1,086.93 km) |
| Martorell to Oud-Heverlee | 659.64 mi (1,061.59 km) |
| Martorell to Oud-Turnhout | 695.26 mi (1,118.91 km) |
| Martorell to Oudenaarde | 652.65 mi (1,050.34 km) |
| Martorell to Oudenburg | 672.74 mi (1,082.67 km) |
| Martorell to Oupeye | 662.11 mi (1,065.57 km) |
| Martorell to Overijse | 655.03 mi (1,054.18 km) |
| Martorell to Overpelt | 693.15 mi (1,115.52 km) |
| Martorell to Paal | 678.59 mi (1,092.09 km) |
| Martorell to Peer | 687.98 mi (1,107.20 km) |
| Martorell to Pepinster | 655.06 mi (1,054.22 km) |
| Martorell to Peruwelz | 629.74 mi (1,013.46 km) |
| Martorell to Perwez | 647.00 mi (1,041.25 km) |
| Martorell to Philippeville | 615.82 mi (991.07 km) |
