| Des Plaines to Opwijk | 4,131.39 mi (6,648.84 km) |
| Des Plaines to Ostend | 4,075.03 mi (6,558.12 km) |
| Des Plaines to Oud-Heverlee | 4,154.20 mi (6,685.53 km) |
| Des Plaines to Oud-Turnhout | 4,148.69 mi (6,676.67 km) |
| Des Plaines to Oudenaarde | 4,113.65 mi (6,620.28 km) |
| Des Plaines to Oudenburg | 4,079.52 mi (6,565.35 km) |
| Des Plaines to Oupeye | 4,195.09 mi (6,751.35 km) |
| Des Plaines to Overijse | 4,151.00 mi (6,680.39 km) |
| Des Plaines to Overpelt | 4,168.29 mi (6,708.22 km) |
| Des Plaines to Paal | 4,165.65 mi (6,703.97 km) |
| Des Plaines to Peer | 4,172.68 mi (6,715.28 km) |
| Des Plaines to Pepinster | 4,206.72 mi (6,770.06 km) |
| Des Plaines to Peruwelz | 4,124.74 mi (6,638.13 km) |
| Des Plaines to Perwez | 4,167.24 mi (6,706.53 km) |
| Des Plaines to Philippeville | 4,172.54 mi (6,715.05 km) |
