| Dallas to Opwijk | 4,928.28 mi (7,931.29 km) |
| Dallas to Ostend | 4,871.62 mi (7,840.12 km) |
| Dallas to Oud-Heverlee | 4,951.15 mi (7,968.10 km) |
| Dallas to Oud-Turnhout | 4,946.47 mi (7,960.57 km) |
| Dallas to Oudenaarde | 4,910.04 mi (7,901.94 km) |
| Dallas to Oudenburg | 4,876.09 mi (7,847.31 km) |
| Dallas to Oupeye | 4,992.38 mi (8,034.47 km) |
| Dallas to Overijse | 4,947.80 mi (7,962.72 km) |
| Dallas to Overpelt | 4,966.15 mi (7,992.25 km) |
| Dallas to Paal | 4,963.15 mi (7,987.42 km) |
| Dallas to Peer | 4,970.45 mi (7,999.16 km) |
| Dallas to Pepinster | 5,003.91 mi (8,053.01 km) |
| Dallas to Peruwelz | 4,920.59 mi (7,918.93 km) |
| Dallas to Perwez | 4,963.96 mi (7,988.73 km) |
| Dallas to Philippeville | 4,968.46 mi (7,995.96 km) |
