| Westmont to Opwijk | 5,609.88 mi (9,028.23 km) |
| Westmont to Ostend | 5,558.19 mi (8,945.05 km) |
| Westmont to Oud-Heverlee | 5,631.28 mi (9,062.66 km) |
| Westmont to Oud-Turnhout | 5,617.17 mi (9,039.96 km) |
| Westmont to Oudenaarde | 5,597.49 mi (9,008.29 km) |
| Westmont to Oudenburg | 5,562.74 mi (8,952.37 km) |
| Westmont to Oupeye | 5,667.29 mi (9,120.62 km) |
| Westmont to Overijse | 5,629.63 mi (9,060.01 km) |
| Westmont to Overpelt | 5,635.21 mi (9,069.00 km) |
| Westmont to Paal | 5,636.60 mi (9,071.23 km) |
| Westmont to Peer | 5,640.48 mi (9,077.48 km) |
| Westmont to Pepinster | 5,679.61 mi (9,140.45 km) |
| Westmont to Peruwelz | 5,613.12 mi (9,033.45 km) |
| Westmont to Perwez | 5,646.12 mi (9,086.55 km) |
| Westmont to Philippeville | 5,658.75 mi (9,106.88 km) |
