| Martos to Nasaud | 1,577.73 mi (2,539.11 km) |
| Martos to Navodari | 1,745.98 mi (2,809.88 km) |
| Martos to Negresti-Oas | 1,544.54 mi (2,485.69 km) |
| Martos to Nehoiu | 1,640.76 mi (2,640.56 km) |
| Martos to Ocna Mures | 1,538.06 mi (2,475.26 km) |
| Martos to Odobesti | 1,681.28 mi (2,705.76 km) |
| Martos to Odorheiu Secuiesc | 1,604.20 mi (2,581.71 km) |
| Martos to Oltenita | 1,647.13 mi (2,650.81 km) |
| Martos to Onesti | 1,672.43 mi (2,691.52 km) |
| Martos to Oradea | 1,461.37 mi (2,351.86 km) |
| Martos to Orastie | 1,499.06 mi (2,412.51 km) |
| Martos to Oravita | 1,415.52 mi (2,278.06 km) |
| Martos to Orsova | 1,445.46 mi (2,326.25 km) |
| Martos to Otelu Rosu | 1,454.21 mi (2,340.33 km) |
| Martos to Otopeni | 1,622.40 mi (2,611.00 km) |
