| Friendswood to Opwijk | 5,039.98 mi (8,111.07 km) |
| Friendswood to Ostend | 4,982.79 mi (8,019.03 km) |
| Friendswood to Oud-Heverlee | 5,062.95 mi (8,148.03 km) |
| Friendswood to Oud-Turnhout | 5,060.34 mi (8,143.84 km) |
| Friendswood to Oudenaarde | 5,020.64 mi (8,079.95 km) |
| Friendswood to Oudenburg | 4,987.20 mi (8,026.12 km) |
| Friendswood to Oupeye | 5,104.92 mi (8,215.58 km) |
| Friendswood to Overijse | 5,059.27 mi (8,142.11 km) |
| Friendswood to Overpelt | 5,080.19 mi (8,175.77 km) |
| Friendswood to Paal | 5,076.28 mi (8,169.49 km) |
| Friendswood to Peer | 5,084.24 mi (8,182.29 km) |
| Friendswood to Pepinster | 5,116.17 mi (8,233.67 km) |
| Friendswood to Peruwelz | 5,029.99 mi (8,094.99 km) |
| Friendswood to Perwez | 5,075.21 mi (8,167.76 km) |
| Friendswood to Philippeville | 5,077.89 mi (8,172.07 km) |
