| Galesburg to Opwijk | 4,275.60 mi (6,880.92 km) |
| Galesburg to Ostend | 4,219.36 mi (6,790.41 km) |
| Galesburg to Oud-Heverlee | 4,298.37 mi (6,917.57 km) |
| Galesburg to Oud-Turnhout | 4,292.50 mi (6,908.11 km) |
| Galesburg to Oudenaarde | 4,258.06 mi (6,852.68 km) |
| Galesburg to Oudenburg | 4,223.86 mi (6,797.65 km) |
| Galesburg to Oupeye | 4,339.12 mi (6,983.13 km) |
| Galesburg to Overijse | 4,295.24 mi (6,912.51 km) |
| Galesburg to Overpelt | 4,312.06 mi (6,939.59 km) |
| Galesburg to Paal | 4,309.59 mi (6,935.61 km) |
| Galesburg to Peer | 4,316.49 mi (6,946.72 km) |
| Galesburg to Pepinster | 4,350.79 mi (7,001.91 km) |
| Galesburg to Peruwelz | 4,269.35 mi (6,870.85 km) |
| Galesburg to Perwez | 4,311.51 mi (6,938.70 km) |
| Galesburg to Philippeville | 4,317.11 mi (6,947.72 km) |
