| Fagnano Olona to Navodari | 966.84 mi (1,555.98 km) |
| Fagnano Olona to Negresti-Oas | 704.41 mi (1,133.64 km) |
| Fagnano Olona to Nehoiu | 842.96 mi (1,356.62 km) |
| Fagnano Olona to Ocna Mures | 719.90 mi (1,158.57 km) |
| Fagnano Olona to Odobesti | 876.12 mi (1,409.98 km) |
| Fagnano Olona to Odorheiu Secuiesc | 788.80 mi (1,269.46 km) |
| Fagnano Olona to Oltenita | 875.03 mi (1,408.22 km) |
| Fagnano Olona to Onesti | 858.98 mi (1,382.39 km) |
| Fagnano Olona to Oradea | 629.13 mi (1,012.49 km) |
| Fagnano Olona to Orastie | 690.13 mi (1,110.66 km) |
| Fagnano Olona to Oravita | 623.23 mi (1,002.99 km) |
| Fagnano Olona to Orsova | 661.14 mi (1,064.00 km) |
| Fagnano Olona to Otelu Rosu | 651.34 mi (1,048.23 km) |
| Fagnano Olona to Otopeni | 840.81 mi (1,353.15 km) |
| Fagnano Olona to Ovidiu | 965.04 mi (1,553.08 km) |
