| Busto Garolfo to Opwijk | 432.22 mi (695.59 km) |
| Busto Garolfo to Ostend | 478.07 mi (769.37 km) |
| Busto Garolfo to Oud-Heverlee | 413.54 mi (665.52 km) |
| Busto Garolfo to Oud-Turnhout | 436.76 mi (702.90 km) |
| Busto Garolfo to Oudenaarde | 439.62 mi (707.50 km) |
| Busto Garolfo to Oudenburg | 473.62 mi (762.22 km) |
| Busto Garolfo to Oupeye | 386.57 mi (622.12 km) |
| Busto Garolfo to Overijse | 413.47 mi (665.42 km) |
| Busto Garolfo to Overpelt | 422.69 mi (680.26 km) |
| Busto Garolfo to Paal | 415.92 mi (669.37 km) |
| Busto Garolfo to Peer | 416.74 mi (670.67 km) |
| Busto Garolfo to Pepinster | 374.55 mi (602.78 km) |
| Busto Garolfo to Peruwelz | 421.56 mi (678.43 km) |
| Busto Garolfo to Perwez | 397.77 mi (640.14 km) |
| Busto Garolfo to Philippeville | 378.95 mi (609.86 km) |
