| Fort Thomas to Opwijk | 4,139.51 mi (6,661.89 km) |
| Fort Thomas to Ostend | 4,082.34 mi (6,569.89 km) |
| Fort Thomas to Oud-Heverlee | 4,162.47 mi (6,698.85 km) |
| Fort Thomas to Oud-Turnhout | 4,159.82 mi (6,694.58 km) |
| Fort Thomas to Oudenaarde | 4,120.23 mi (6,630.87 km) |
| Fort Thomas to Oudenburg | 4,086.75 mi (6,576.99 km) |
| Fort Thomas to Oupeye | 4,204.42 mi (6,766.36 km) |
| Fort Thomas to Overijse | 4,158.81 mi (6,692.96 km) |
| Fort Thomas to Overpelt | 4,179.66 mi (6,726.51 km) |
| Fort Thomas to Paal | 4,175.76 mi (6,720.24 km) |
| Fort Thomas to Peer | 4,183.71 mi (6,733.03 km) |
| Fort Thomas to Pepinster | 4,215.67 mi (6,784.47 km) |
| Fort Thomas to Peruwelz | 4,129.68 mi (6,646.08 km) |
| Fort Thomas to Perwez | 4,174.76 mi (6,718.63 km) |
| Fort Thomas to Philippeville | 4,177.58 mi (6,723.17 km) |
