| Flower Mound to Opwijk | 4,928.83 mi (7,932.18 km) |
| Flower Mound to Ostend | 4,872.25 mi (7,841.13 km) |
| Flower Mound to Oud-Heverlee | 4,951.68 mi (7,968.96 km) |
| Flower Mound to Oud-Turnhout | 4,946.75 mi (7,961.03 km) |
| Flower Mound to Oudenaarde | 4,910.72 mi (7,903.04 km) |
| Flower Mound to Oudenburg | 4,876.72 mi (7,848.33 km) |
| Flower Mound to Oupeye | 4,992.82 mi (8,035.17 km) |
| Flower Mound to Overijse | 4,948.38 mi (7,963.64 km) |
| Flower Mound to Overpelt | 4,966.41 mi (7,992.67 km) |
| Flower Mound to Paal | 4,963.52 mi (7,988.02 km) |
| Flower Mound to Peer | 4,970.74 mi (7,999.63 km) |
| Flower Mound to Pepinster | 5,004.37 mi (8,053.76 km) |
| Flower Mound to Peruwelz | 4,921.42 mi (7,920.26 km) |
| Flower Mound to Perwez | 4,964.56 mi (7,989.69 km) |
| Flower Mound to Philippeville | 4,969.27 mi (7,997.27 km) |
