| Cortland to Opwijk | 3,654.07 mi (5,880.66 km) |
| Cortland to Ostend | 3,596.69 mi (5,788.32 km) |
| Cortland to Oud-Heverlee | 3,677.06 mi (5,917.66 km) |
| Cortland to Oud-Turnhout | 3,675.54 mi (5,915.20 km) |
| Cortland to Oudenaarde | 3,634.25 mi (5,848.75 km) |
| Cortland to Oudenburg | 3,601.07 mi (5,795.36 km) |
| Cortland to Oupeye | 3,719.34 mi (5,985.71 km) |
| Cortland to Overijse | 3,673.23 mi (5,911.49 km) |
| Cortland to Overpelt | 3,695.44 mi (5,947.24 km) |
| Cortland to Paal | 3,691.04 mi (5,940.16 km) |
| Cortland to Peer | 3,699.34 mi (5,953.52 km) |
| Cortland to Pepinster | 3,730.43 mi (6,003.55 km) |
| Cortland to Peruwelz | 3,643.07 mi (5,862.96 km) |
| Cortland to Perwez | 3,689.04 mi (5,936.94 km) |
| Cortland to Philippeville | 3,690.93 mi (5,939.99 km) |
