| Sommacampagna to Navodari | 871.36 mi (1,402.32 km) |
| Sommacampagna to Negresti-Oas | 619.67 mi (997.26 km) |
| Sommacampagna to Nehoiu | 748.95 mi (1,205.31 km) |
| Sommacampagna to Ocna Mures | 628.62 mi (1,011.67 km) |
| Sommacampagna to Odobesti | 783.25 mi (1,260.51 km) |
| Sommacampagna to Odorheiu Secuiesc | 697.30 mi (1,122.20 km) |
| Sommacampagna to Oltenita | 778.75 mi (1,253.27 km) |
| Sommacampagna to Onesti | 767.41 mi (1,235.03 km) |
| Sommacampagna to Oradea | 541.07 mi (870.77 km) |
| Sommacampagna to Orastie | 596.97 mi (960.73 km) |
| Sommacampagna to Oravita | 527.52 mi (848.96 km) |
| Sommacampagna to Orsova | 564.92 mi (909.15 km) |
| Sommacampagna to Otelu Rosu | 557.05 mi (896.48 km) |
| Sommacampagna to Otopeni | 745.11 mi (1,199.14 km) |
| Sommacampagna to Ovidiu | 869.47 mi (1,399.27 km) |
