| Tomball to Opwijk | 5,025.72 mi (8,088.12 km) |
| Tomball to Ostend | 4,968.63 mi (7,996.23 km) |
| Tomball to Oud-Heverlee | 5,048.68 mi (8,125.06 km) |
| Tomball to Oud-Turnhout | 5,045.64 mi (8,120.18 km) |
| Tomball to Oudenaarde | 5,006.61 mi (8,057.36 km) |
| Tomball to Oudenburg | 4,973.05 mi (8,003.35 km) |
| Tomball to Oupeye | 5,090.51 mi (8,192.39 km) |
| Tomball to Overijse | 5,045.07 mi (8,119.25 km) |
| Tomball to Overpelt | 5,065.46 mi (8,152.06 km) |
| Tomball to Paal | 5,061.74 mi (8,146.08 km) |
| Tomball to Peer | 5,069.56 mi (8,158.66 km) |
| Tomball to Pepinster | 5,101.81 mi (8,210.58 km) |
| Tomball to Peruwelz | 5,016.21 mi (8,072.81 km) |
| Tomball to Perwez | 5,061.06 mi (8,144.99 km) |
| Tomball to Philippeville | 5,064.11 mi (8,149.90 km) |
