| Middletown to Opwijk | 4,116.14 mi (6,624.29 km) |
| Middletown to Ostend | 4,059.01 mi (6,532.35 km) |
| Middletown to Oud-Heverlee | 4,139.10 mi (6,661.24 km) |
| Middletown to Oud-Turnhout | 4,136.25 mi (6,656.66 km) |
| Middletown to Oudenaarde | 4,096.96 mi (6,593.43 km) |
| Middletown to Oudenburg | 4,063.43 mi (6,539.46 km) |
| Middletown to Oupeye | 4,180.98 mi (6,728.64 km) |
| Middletown to Overijse | 4,135.47 mi (6,655.39 km) |
| Middletown to Overpelt | 4,156.08 mi (6,688.57 km) |
| Middletown to Paal | 4,152.27 mi (6,682.43 km) |
| Middletown to Peer | 4,160.16 mi (6,695.12 km) |
| Middletown to Pepinster | 4,192.26 mi (6,746.80 km) |
| Middletown to Peruwelz | 4,106.53 mi (6,608.82 km) |
| Middletown to Perwez | 4,151.44 mi (6,681.10 km) |
| Middletown to Philippeville | 4,154.43 mi (6,685.91 km) |
