| San Giuliano Terme to Opwijk | 577.05 mi (928.67 km) |
| San Giuliano Terme to Ostend | 623.16 mi (1,002.88 km) |
| San Giuliano Terme to Oud-Heverlee | 558.07 mi (898.13 km) |
| San Giuliano Terme to Oud-Turnhout | 580.33 mi (933.95 km) |
| San Giuliano Terme to Oudenaarde | 584.71 mi (940.99 km) |
| San Giuliano Terme to Oudenburg | 618.71 mi (995.72 km) |
| San Giuliano Terme to Oupeye | 529.80 mi (852.63 km) |
| San Giuliano Terme to Overijse | 558.17 mi (898.29 km) |
| San Giuliano Terme to Overpelt | 565.62 mi (910.27 km) |
| San Giuliano Terme to Paal | 559.55 mi (900.51 km) |
| San Giuliano Terme to Peer | 559.71 mi (900.77 km) |
| San Giuliano Terme to Pepinster | 517.64 mi (833.06 km) |
| San Giuliano Terme to Peruwelz | 566.62 mi (911.89 km) |
| San Giuliano Terme to Perwez | 542.35 mi (872.82 km) |
| San Giuliano Terme to Philippeville | 523.99 mi (843.27 km) |
