| Montignoso to Navodari | 912.52 mi (1,468.56 km) |
| Montignoso to Negresti-Oas | 689.21 mi (1,109.17 km) |
| Montignoso to Nehoiu | 796.78 mi (1,282.29 km) |
| Montignoso to Ocna Mures | 685.53 mi (1,103.26 km) |
| Montignoso to Odobesti | 834.41 mi (1,342.85 km) |
| Montignoso to Odorheiu Secuiesc | 752.94 mi (1,211.74 km) |
| Montignoso to Oltenita | 816.52 mi (1,314.06 km) |
| Montignoso to Onesti | 822.27 mi (1,323.32 km) |
| Montignoso to Oradea | 605.97 mi (975.22 km) |
| Montignoso to Orastie | 649.18 mi (1,044.76 km) |
| Montignoso to Oravita | 571.26 mi (919.36 km) |
| Montignoso to Orsova | 605.41 mi (974.32 km) |
| Montignoso to Otelu Rosu | 606.10 mi (975.42 km) |
| Montignoso to Otopeni | 786.25 mi (1,265.35 km) |
| Montignoso to Ovidiu | 910.22 mi (1,464.86 km) |
