| Rialto to Opwijk | 5,571.41 mi (8,966.31 km) |
| Rialto to Ostend | 5,519.48 mi (8,882.74 km) |
| Rialto to Oud-Heverlee | 5,592.88 mi (9,000.88 km) |
| Rialto to Oud-Turnhout | 5,579.10 mi (8,978.69 km) |
| Rialto to Oudenaarde | 5,558.80 mi (8,946.02 km) |
| Rialto to Oudenburg | 5,524.03 mi (8,890.07 km) |
| Rialto to Oupeye | 5,629.13 mi (9,059.21 km) |
| Rialto to Overijse | 5,591.17 mi (8,998.12 km) |
| Rialto to Overpelt | 5,597.22 mi (9,007.86 km) |
| Rialto to Paal | 5,598.46 mi (9,009.84 km) |
| Rialto to Peer | 5,602.47 mi (9,016.30 km) |
| Rialto to Pepinster | 5,641.44 mi (9,079.02 km) |
| Rialto to Peruwelz | 5,574.26 mi (8,970.91 km) |
| Rialto to Perwez | 5,607.67 mi (9,024.67 km) |
| Rialto to Philippeville | 5,620.03 mi (9,044.56 km) |
