| Erie to Opwijk | 3,828.50 mi (6,161.38 km) |
| Erie to Ostend | 3,771.34 mi (6,069.39 km) |
| Erie to Oud-Heverlee | 3,851.47 mi (6,198.33 km) |
| Erie to Oud-Turnhout | 3,848.80 mi (6,194.04 km) |
| Erie to Oudenaarde | 3,809.25 mi (6,130.39 km) |
| Erie to Oudenburg | 3,775.75 mi (6,076.49 km) |
| Erie to Oupeye | 3,893.40 mi (6,265.83 km) |
| Erie to Overijse | 3,847.81 mi (6,192.45 km) |
| Erie to Overpelt | 3,868.64 mi (6,225.97 km) |
| Erie to Paal | 3,864.74 mi (6,219.70 km) |
| Erie to Peer | 3,872.69 mi (6,232.49 km) |
| Erie to Pepinster | 3,904.66 mi (6,283.94 km) |
| Erie to Peruwelz | 3,818.73 mi (6,145.65 km) |
| Erie to Perwez | 3,863.77 mi (6,218.13 km) |
| Erie to Philippeville | 3,866.63 mi (6,222.74 km) |
