| Jefferson to Opwijk | 4,343.70 mi (6,990.51 km) |
| Jefferson to Ostend | 4,286.10 mi (6,897.81 km) |
| Jefferson to Oud-Heverlee | 4,366.68 mi (7,027.50 km) |
| Jefferson to Oud-Turnhout | 4,366.89 mi (7,027.83 km) |
| Jefferson to Oudenaarde | 4,323.01 mi (6,957.22 km) |
| Jefferson to Oudenburg | 4,290.40 mi (6,904.73 km) |
| Jefferson to Oupeye | 4,409.42 mi (7,096.28 km) |
| Jefferson to Overijse | 4,362.58 mi (7,020.89 km) |
| Jefferson to Overpelt | 4,386.85 mi (7,059.95 km) |
| Jefferson to Paal | 4,381.72 mi (7,051.70 km) |
| Jefferson to Peer | 4,390.54 mi (7,065.88 km) |
| Jefferson to Pepinster | 4,420.23 mi (7,113.67 km) |
| Jefferson to Peruwelz | 4,330.74 mi (6,969.65 km) |
| Jefferson to Perwez | 4,378.14 mi (7,045.93 km) |
| Jefferson to Philippeville | 4,378.44 mi (7,046.41 km) |
