| Gallarate to Navodari | 970.48 mi (1,561.84 km) |
| Gallarate to Negresti-Oas | 707.91 mi (1,139.27 km) |
| Gallarate to Nehoiu | 846.60 mi (1,362.47 km) |
| Gallarate to Ocna Mures | 723.51 mi (1,164.38 km) |
| Gallarate to Odobesti | 879.74 mi (1,415.81 km) |
| Gallarate to Odorheiu Secuiesc | 792.41 mi (1,275.26 km) |
| Gallarate to Oltenita | 878.66 mi (1,414.07 km) |
| Gallarate to Onesti | 862.58 mi (1,388.20 km) |
| Gallarate to Oradea | 632.70 mi (1,018.22 km) |
| Gallarate to Orastie | 693.76 mi (1,116.50 km) |
| Gallarate to Oravita | 626.86 mi (1,008.84 km) |
| Gallarate to Orsova | 664.77 mi (1,069.85 km) |
| Gallarate to Otelu Rosu | 654.98 mi (1,054.08 km) |
| Gallarate to Otopeni | 844.44 mi (1,359.00 km) |
| Gallarate to Ovidiu | 968.67 mi (1,558.93 km) |
