| Martinsicuro to Navodari | 740.98 mi (1,192.49 km) |
| Martinsicuro to Negresti-Oas | 575.17 mi (925.64 km) |
| Martinsicuro to Nehoiu | 637.01 mi (1,025.17 km) |
| Martinsicuro to Ocna Mures | 545.07 mi (877.21 km) |
| Martinsicuro to Odobesti | 678.91 mi (1,092.60 km) |
| Martinsicuro to Odorheiu Secuiesc | 607.48 mi (977.65 km) |
| Martinsicuro to Oltenita | 642.40 mi (1,033.85 km) |
| Martinsicuro to Onesti | 673.28 mi (1,083.54 km) |
| Martinsicuro to Oradea | 486.23 mi (782.51 km) |
| Martinsicuro to Orastie | 501.86 mi (807.66 km) |
| Martinsicuro to Oravita | 413.89 mi (666.10 km) |
| Martinsicuro to Orsova | 441.32 mi (710.24 km) |
| Martinsicuro to Otelu Rosu | 455.51 mi (733.08 km) |
| Martinsicuro to Otopeni | 617.13 mi (993.18 km) |
| Martinsicuro to Ovidiu | 738.19 mi (1,188.01 km) |
