| Columbus to Opwijk | 4,039.65 mi (6,501.19 km) |
| Columbus to Ostend | 3,982.47 mi (6,409.16 km) |
| Columbus to Oud-Heverlee | 4,062.62 mi (6,538.15 km) |
| Columbus to Oud-Turnhout | 4,060.05 mi (6,534.01 km) |
| Columbus to Oudenaarde | 4,020.34 mi (6,470.11 km) |
| Columbus to Oudenburg | 3,986.88 mi (6,416.26 km) |
| Columbus to Oupeye | 4,104.59 mi (6,605.70 km) |
| Columbus to Overijse | 4,058.94 mi (6,532.24 km) |
| Columbus to Overpelt | 4,079.89 mi (6,565.95 km) |
| Columbus to Paal | 4,075.96 mi (6,559.62 km) |
| Columbus to Peer | 4,083.93 mi (6,572.45 km) |
| Columbus to Pepinster | 4,115.83 mi (6,623.79 km) |
| Columbus to Peruwelz | 4,029.75 mi (6,485.25 km) |
| Columbus to Perwez | 4,074.89 mi (6,557.90 km) |
| Columbus to Philippeville | 4,077.65 mi (6,562.34 km) |
