| Busto Garolfo to Oria | 562.32 mi (904.96 km) |
| Busto Garolfo to Oristano | 390.11 mi (627.82 km) |
| Busto Garolfo to Orta Nova | 449.29 mi (723.06 km) |
| Busto Garolfo to Orte | 275.18 mi (442.85 km) |
| Busto Garolfo to Ortona | 352.04 mi (566.55 km) |
| Busto Garolfo to Orvieto | 252.49 mi (406.34 km) |
| Busto Garolfo to Orzinuovi | 51.73 mi (83.24 km) |
| Busto Garolfo to Osimo | 267.58 mi (430.62 km) |
| Busto Garolfo to Ospitaletto | 57.41 mi (92.40 km) |
| Busto Garolfo to Ostuni | 549.83 mi (884.86 km) |
| Busto Garolfo to Ottaviano | 429.49 mi (691.20 km) |
| Busto Garolfo to Ovada | 63.86 mi (102.78 km) |
| Busto Garolfo to Ozieri | 342.95 mi (551.93 km) |
| Busto Garolfo to Paceco | 555.54 mi (894.06 km) |
| Busto Garolfo to Pachino | 690.02 mi (1,110.49 km) |
