| San Giuliano Terme to Navodari | 901.51 mi (1,450.84 km) |
| San Giuliano Terme to Negresti-Oas | 685.44 mi (1,103.11 km) |
| San Giuliano Terme to Nehoiu | 787.37 mi (1,267.15 km) |
| San Giuliano Terme to Ocna Mures | 678.47 mi (1,091.89 km) |
| San Giuliano Terme to Odobesti | 825.69 mi (1,328.82 km) |
| San Giuliano Terme to Odorheiu Secuiesc | 745.42 mi (1,199.64 km) |
| San Giuliano Terme to Oltenita | 804.97 mi (1,295.47 km) |
| San Giuliano Terme to Onesti | 814.43 mi (1,310.70 km) |
| San Giuliano Terme to Oradea | 601.16 mi (967.47 km) |
| San Giuliano Terme to Orastie | 641.10 mi (1,031.75 km) |
| San Giuliano Terme to Oravita | 561.55 mi (903.72 km) |
| San Giuliano Terme to Orsova | 594.90 mi (957.40 km) |
| San Giuliano Terme to Otelu Rosu | 597.43 mi (961.46 km) |
| San Giuliano Terme to Otopeni | 775.44 mi (1,247.94 km) |
| San Giuliano Terme to Ovidiu | 899.13 mi (1,447.01 km) |
