| Balsta to Orbetello | 1,214.35 mi (1,954.30 km) |
| Balsta to Oria | 1,318.54 mi (2,121.99 km) |
| Balsta to Oristano | 1,413.63 mi (2,275.02 km) |
| Balsta to Orta Nova | 1,263.46 mi (2,033.35 km) |
| Balsta to Orte | 1,202.91 mi (1,935.90 km) |
| Balsta to Ortona | 1,198.00 mi (1,928.00 km) |
| Balsta to Orvieto | 1,187.49 mi (1,911.08 km) |
| Balsta to Orzinuovi | 1,028.79 mi (1,655.68 km) |
| Balsta to Osimo | 1,125.21 mi (1,810.85 km) |
| Balsta to Ospitaletto | 1,016.67 mi (1,636.18 km) |
| Balsta to Ostuni | 1,302.41 mi (2,096.03 km) |
| Balsta to Ottaviano | 1,300.90 mi (2,093.59 km) |
| Balsta to Ovada | 1,096.50 mi (1,764.64 km) |
| Balsta to Ozieri | 1,363.05 mi (2,193.62 km) |
| Balsta to Paceco | 1,508.34 mi (2,427.44 km) |
