| Tuscaloosa to Opwijk | 4,545.96 mi (7,316.01 km) |
| Tuscaloosa to Ostend | 4,488.49 mi (7,223.52 km) |
| Tuscaloosa to Oud-Heverlee | 4,568.95 mi (7,353.01 km) |
| Tuscaloosa to Oud-Turnhout | 4,567.96 mi (7,351.42 km) |
| Tuscaloosa to Oudenaarde | 4,525.83 mi (7,283.63 km) |
| Tuscaloosa to Oudenburg | 4,492.84 mi (7,230.52 km) |
| Tuscaloosa to Oupeye | 4,611.39 mi (7,421.32 km) |
| Tuscaloosa to Overijse | 4,565.02 mi (7,346.70 km) |
| Tuscaloosa to Overpelt | 4,587.88 mi (7,383.48 km) |
| Tuscaloosa to Paal | 4,583.27 mi (7,376.06 km) |
| Tuscaloosa to Peer | 4,591.73 mi (7,389.67 km) |
| Tuscaloosa to Pepinster | 4,622.39 mi (7,439.02 km) |
| Tuscaloosa to Peruwelz | 4,534.27 mi (7,297.19 km) |
| Tuscaloosa to Perwez | 4,580.76 mi (7,372.02 km) |
| Tuscaloosa to Philippeville | 4,582.08 mi (7,374.15 km) |
