| Hickory to Opwijk | 4,173.93 mi (6,717.29 km) |
| Hickory to Ostend | 4,116.31 mi (6,624.56 km) |
| Hickory to Oud-Heverlee | 4,196.91 mi (6,754.27 km) |
| Hickory to Oud-Turnhout | 4,197.24 mi (6,754.80 km) |
| Hickory to Oudenaarde | 4,153.19 mi (6,683.91 km) |
| Hickory to Oudenburg | 4,120.61 mi (6,631.48 km) |
| Hickory to Oupeye | 4,239.67 mi (6,823.09 km) |
| Hickory to Overijse | 4,192.78 mi (6,747.63 km) |
| Hickory to Overpelt | 4,217.20 mi (6,786.92 km) |
| Hickory to Paal | 4,212.02 mi (6,778.59 km) |
| Hickory to Peer | 4,220.87 mi (6,792.83 km) |
| Hickory to Pepinster | 4,250.46 mi (6,840.45 km) |
| Hickory to Peruwelz | 4,160.85 mi (6,696.24 km) |
| Hickory to Perwez | 4,208.33 mi (6,772.65 km) |
| Hickory to Philippeville | 4,208.54 mi (6,772.99 km) |
