| Johnstown to Opwijk | 3,863.74 mi (6,218.10 km) |
| Johnstown to Ostend | 3,806.31 mi (6,125.67 km) |
| Johnstown to Oud-Heverlee | 3,886.74 mi (6,255.10 km) |
| Johnstown to Oud-Turnhout | 3,885.53 mi (6,253.15 km) |
| Johnstown to Oudenaarde | 3,843.75 mi (6,185.92 km) |
| Johnstown to Oudenburg | 3,810.67 mi (6,132.69 km) |
| Johnstown to Oupeye | 3,929.11 mi (6,323.29 km) |
| Johnstown to Overijse | 3,882.85 mi (6,248.84 km) |
| Johnstown to Overpelt | 3,905.44 mi (6,285.20 km) |
| Johnstown to Paal | 3,900.92 mi (6,277.92 km) |
| Johnstown to Peer | 3,909.31 mi (6,291.43 km) |
| Johnstown to Pepinster | 3,940.15 mi (6,341.06 km) |
| Johnstown to Peruwelz | 3,852.37 mi (6,199.80 km) |
| Johnstown to Perwez | 3,898.62 mi (6,274.23 km) |
| Johnstown to Philippeville | 3,900.21 mi (6,276.79 km) |
