| Champaign to Opwijk | 4,237.14 mi (6,819.02 km) |
| Champaign to Ostend | 4,180.49 mi (6,727.85 km) |
| Champaign to Oud-Heverlee | 4,260.01 mi (6,855.82 km) |
| Champaign to Oud-Turnhout | 4,255.35 mi (6,848.32 km) |
| Champaign to Oudenaarde | 4,218.92 mi (6,789.70 km) |
| Champaign to Oudenburg | 4,184.96 mi (6,735.04 km) |
| Champaign to Oupeye | 4,301.24 mi (6,922.18 km) |
| Champaign to Overijse | 4,256.67 mi (6,850.44 km) |
| Champaign to Overpelt | 4,275.03 mi (6,880.00 km) |
| Champaign to Paal | 4,272.02 mi (6,875.15 km) |
| Champaign to Peer | 4,279.32 mi (6,886.90 km) |
| Champaign to Pepinster | 4,312.77 mi (6,940.73 km) |
| Champaign to Peruwelz | 4,229.52 mi (6,806.76 km) |
| Champaign to Perwez | 4,272.83 mi (6,876.46 km) |
| Champaign to Philippeville | 4,277.38 mi (6,883.78 km) |
