| Prairie Ridge to Opwijk | 4,946.88 mi (7,961.23 km) |
| Prairie Ridge to Ostend | 4,900.35 mi (7,886.35 km) |
| Prairie Ridge to Oud-Heverlee | 4,966.54 mi (7,992.87 km) |
| Prairie Ridge to Oud-Turnhout | 4,947.01 mi (7,961.45 km) |
| Prairie Ridge to Oudenaarde | 4,938.71 mi (7,948.09 km) |
| Prairie Ridge to Oudenburg | 4,904.78 mi (7,893.48 km) |
| Prairie Ridge to Oupeye | 4,997.90 mi (8,043.34 km) |
| Prairie Ridge to Overijse | 4,966.03 mi (7,992.05 km) |
| Prairie Ridge to Overpelt | 4,963.36 mi (7,987.76 km) |
| Prairie Ridge to Paal | 4,967.44 mi (7,994.33 km) |
| Prairie Ridge to Peer | 4,969.04 mi (7,996.90 km) |
| Prairie Ridge to Pepinster | 5,010.27 mi (8,063.25 km) |
| Prairie Ridge to Peruwelz | 4,957.02 mi (7,977.55 km) |
| Prairie Ridge to Perwez | 4,982.10 mi (8,017.92 km) |
| Prairie Ridge to Philippeville | 4,999.47 mi (8,045.87 km) |
