| Naantali to Navodari | 1,148.16 mi (1,847.79 km) |
| Naantali to Negresti-Oas | 872.16 mi (1,403.60 km) |
| Naantali to Nehoiu | 1,058.76 mi (1,703.91 km) |
| Naantali to Ocna Mures | 975.41 mi (1,569.78 km) |
| Naantali to Odobesti | 1,036.16 mi (1,667.53 km) |
| Naantali to Odorheiu Secuiesc | 986.79 mi (1,588.09 km) |
| Naantali to Oltenita | 1,147.67 mi (1,847.00 km) |
| Naantali to Onesti | 1,000.28 mi (1,609.79 km) |
| Naantali to Oradea | 925.48 mi (1,489.42 km) |
| Naantali to Orastie | 1,011.03 mi (1,627.10 km) |
| Naantali to Oravita | 1,065.96 mi (1,715.49 km) |
| Naantali to Orsova | 1,087.73 mi (1,750.53 km) |
| Naantali to Otelu Rosu | 1,032.90 mi (1,662.29 km) |
| Naantali to Otopeni | 1,112.25 mi (1,789.99 km) |
| Naantali to Ovidiu | 1,151.10 mi (1,852.52 km) |
