| San Donato Milanese to Opwijk | 449.05 mi (722.68 km) |
| San Donato Milanese to Ostend | 495.72 mi (797.79 km) |
| San Donato Milanese to Oud-Heverlee | 430.00 mi (692.02 km) |
| San Donato Milanese to Oud-Turnhout | 452.40 mi (728.07 km) |
| San Donato Milanese to Oudenaarde | 457.10 mi (735.63 km) |
| San Donato Milanese to Oudenburg | 491.26 mi (790.60 km) |
| San Donato Milanese to Oupeye | 401.96 mi (646.89 km) |
| San Donato Milanese to Overijse | 430.13 mi (692.23 km) |
| San Donato Milanese to Overpelt | 437.90 mi (704.72 km) |
| San Donato Milanese to Paal | 431.60 mi (694.59 km) |
| San Donato Milanese to Peer | 431.97 mi (695.19 km) |
| San Donato Milanese to Pepinster | 389.85 mi (627.40 km) |
| San Donato Milanese to Peruwelz | 439.38 mi (707.11 km) |
| San Donato Milanese to Perwez | 414.28 mi (666.72 km) |
| San Donato Milanese to Philippeville | 396.22 mi (637.65 km) |
