| East San Gabriel to Opwijk | 5,592.88 mi (9,000.87 km) |
| East San Gabriel to Ostend | 5,541.17 mi (8,917.65 km) |
| East San Gabriel to Oud-Heverlee | 5,614.29 mi (9,035.33 km) |
| East San Gabriel to Oud-Turnhout | 5,600.22 mi (9,012.68 km) |
| East San Gabriel to Oudenaarde | 5,580.47 mi (8,980.90 km) |
| East San Gabriel to Oudenburg | 5,545.72 mi (8,924.97 km) |
| East San Gabriel to Oupeye | 5,650.33 mi (9,093.32 km) |
| East San Gabriel to Overijse | 5,612.63 mi (9,032.66 km) |
| East San Gabriel to Overpelt | 5,618.27 mi (9,041.74 km) |
| East San Gabriel to Paal | 5,619.64 mi (9,043.94 km) |
| East San Gabriel to Peer | 5,623.54 mi (9,050.21 km) |
| East San Gabriel to Pepinster | 5,662.65 mi (9,113.15 km) |
| East San Gabriel to Peruwelz | 5,596.08 mi (9,006.02 km) |
| East San Gabriel to Perwez | 5,629.12 mi (9,059.20 km) |
| East San Gabriel to Philippeville | 5,641.73 mi (9,079.48 km) |
