| San Severino Marche to Navodari | 772.64 mi (1,243.44 km) |
| San Severino Marche to Negresti-Oas | 589.70 mi (949.03 km) |
| San Severino Marche to Nehoiu | 664.83 mi (1,069.95 km) |
| San Severino Marche to Ocna Mures | 566.79 mi (912.16 km) |
| San Severino Marche to Odobesti | 705.61 mi (1,135.56 km) |
| San Severino Marche to Odorheiu Secuiesc | 630.98 mi (1,015.46 km) |
| San Severino Marche to Oltenita | 674.66 mi (1,085.75 km) |
| San Severino Marche to Onesti | 698.07 mi (1,123.43 km) |
| San Severino Marche to Oradea | 501.60 mi (807.25 km) |
| San Severino Marche to Orastie | 525.33 mi (845.43 km) |
| San Severino Marche to Oravita | 439.84 mi (707.85 km) |
| San Severino Marche to Orsova | 469.61 mi (755.76 km) |
| San Severino Marche to Otelu Rosu | 479.65 mi (771.92 km) |
| San Severino Marche to Otopeni | 647.75 mi (1,042.45 km) |
| San Severino Marche to Ovidiu | 770.00 mi (1,239.19 km) |
