| Hoffman Estates to Opwijk | 4,139.18 mi (6,661.37 km) |
| Hoffman Estates to Ostend | 4,082.85 mi (6,570.71 km) |
| Hoffman Estates to Oud-Heverlee | 4,161.98 mi (6,698.05 km) |
| Hoffman Estates to Oud-Turnhout | 4,156.36 mi (6,689.02 km) |
| Hoffman Estates to Oudenaarde | 4,121.49 mi (6,632.90 km) |
| Hoffman Estates to Oudenburg | 4,087.34 mi (6,577.94 km) |
| Hoffman Estates to Oupeye | 4,202.83 mi (6,763.80 km) |
| Hoffman Estates to Overijse | 4,158.79 mi (6,692.93 km) |
| Hoffman Estates to Overpelt | 4,175.95 mi (6,720.55 km) |
| Hoffman Estates to Paal | 4,173.36 mi (6,716.38 km) |
| Hoffman Estates to Peer | 4,180.35 mi (6,727.63 km) |
| Hoffman Estates to Pepinster | 4,214.47 mi (6,782.53 km) |
| Hoffman Estates to Peruwelz | 4,132.65 mi (6,650.86 km) |
| Hoffman Estates to Perwez | 4,175.05 mi (6,719.09 km) |
| Hoffman Estates to Philippeville | 4,180.43 mi (6,727.76 km) |
