| Lake Barcroft to Opwijk | 3,860.05 mi (6,212.14 km) |
| Lake Barcroft to Ostend | 3,802.44 mi (6,119.43 km) |
| Lake Barcroft to Oud-Heverlee | 3,883.03 mi (6,249.13 km) |
| Lake Barcroft to Oud-Turnhout | 3,883.34 mi (6,249.62 km) |
| Lake Barcroft to Oudenaarde | 3,839.33 mi (6,178.80 km) |
| Lake Barcroft to Oudenburg | 3,806.74 mi (6,126.35 km) |
| Lake Barcroft to Oupeye | 3,925.78 mi (6,317.94 km) |
| Lake Barcroft to Overijse | 3,878.91 mi (6,242.50 km) |
| Lake Barcroft to Overpelt | 3,903.30 mi (6,281.75 km) |
| Lake Barcroft to Paal | 3,898.12 mi (6,273.42 km) |
| Lake Barcroft to Peer | 3,906.97 mi (6,287.65 km) |
| Lake Barcroft to Pepinster | 3,936.58 mi (6,335.31 km) |
| Lake Barcroft to Peruwelz | 3,847.03 mi (6,191.20 km) |
| Lake Barcroft to Perwez | 3,894.46 mi (6,267.53 km) |
| Lake Barcroft to Philippeville | 3,894.73 mi (6,267.96 km) |
