| Martorell to Nasaud | 1,175.25 mi (1,891.38 km) |
| Martorell to Navodari | 1,358.67 mi (2,186.56 km) |
| Martorell to Negresti-Oas | 1,139.97 mi (1,834.60 km) |
| Martorell to Nehoiu | 1,247.23 mi (2,007.22 km) |
| Martorell to Ocna Mures | 1,138.52 mi (1,832.26 km) |
| Martorell to Odobesti | 1,285.99 mi (2,069.61 km) |
| Martorell to Odorheiu Secuiesc | 1,205.73 mi (1,940.43 km) |
| Martorell to Oltenita | 1,260.97 mi (2,029.34 km) |
| Martorell to Onesti | 1,274.84 mi (2,051.66 km) |
| Martorell to Oradea | 1,058.21 mi (1,703.03 km) |
| Martorell to Orastie | 1,101.53 mi (1,772.74 km) |
| Martorell to Oravita | 1,021.30 mi (1,643.63 km) |
| Martorell to Orsova | 1,053.62 mi (1,695.63 km) |
| Martorell to Otelu Rosu | 1,057.80 mi (1,702.36 km) |
| Martorell to Otopeni | 1,233.25 mi (1,984.72 km) |
