| San Sebastiano al Vesuvio to Navodari | 762.66 mi (1,227.38 km) |
| San Sebastiano al Vesuvio to Negresti-Oas | 659.86 mi (1,061.94 km) |
| San Sebastiano al Vesuvio to Nehoiu | 677.53 mi (1,090.38 km) |
| San Sebastiano al Vesuvio to Ocna Mures | 609.95 mi (981.62 km) |
| San Sebastiano al Vesuvio to Odobesti | 722.70 mi (1,163.08 km) |
| San Sebastiano al Vesuvio to Odorheiu Secuiesc | 664.63 mi (1,069.62 km) |
| San Sebastiano al Vesuvio to Oltenita | 663.82 mi (1,068.32 km) |
| San Sebastiano al Vesuvio to Onesti | 724.24 mi (1,165.55 km) |
| San Sebastiano al Vesuvio to Oradea | 571.31 mi (919.43 km) |
| San Sebastiano al Vesuvio to Orastie | 562.60 mi (905.42 km) |
| San Sebastiano al Vesuvio to Oravita | 470.35 mi (756.96 km) |
| San Sebastiano al Vesuvio to Orsova | 487.61 mi (784.74 km) |
| San Sebastiano al Vesuvio to Otelu Rosu | 516.01 mi (830.44 km) |
| San Sebastiano al Vesuvio to Otopeni | 646.67 mi (1,040.72 km) |
| San Sebastiano al Vesuvio to Ovidiu | 759.28 mi (1,221.94 km) |
