| Martinengo to Navodari | 923.50 mi (1,486.23 km) |
| Martinengo to Negresti-Oas | 665.14 mi (1,070.43 km) |
| Martinengo to Nehoiu | 800.15 mi (1,287.72 km) |
| Martinengo to Ocna Mures | 678.09 mi (1,091.29 km) |
| Martinengo to Odobesti | 833.74 mi (1,341.78 km) |
| Martinengo to Odorheiu Secuiesc | 746.93 mi (1,202.07 km) |
| Martinengo to Oltenita | 831.40 mi (1,338.01 km) |
| Martinengo to Onesti | 817.09 mi (1,314.99 km) |
| Martinengo to Oradea | 588.51 mi (947.12 km) |
| Martinengo to Orastie | 647.61 mi (1,042.22 km) |
| Martinengo to Oravita | 579.77 mi (933.06 km) |
| Martinengo to Orsova | 617.51 mi (993.79 km) |
| Martinengo to Otelu Rosu | 608.39 mi (979.11 km) |
| Martinengo to Otopeni | 797.38 mi (1,283.26 km) |
| Martinengo to Ovidiu | 921.66 mi (1,483.27 km) |
