| Smithville to Opwijk | 4,507.49 mi (7,254.10 km) |
| Smithville to Ostend | 4,451.56 mi (7,164.10 km) |
| Smithville to Oud-Heverlee | 4,530.18 mi (7,290.62 km) |
| Smithville to Oud-Turnhout | 4,523.46 mi (7,279.80 km) |
| Smithville to Oudenaarde | 4,490.41 mi (7,226.62 km) |
| Smithville to Oudenburg | 4,456.08 mi (7,171.36 km) |
| Smithville to Oupeye | 4,570.55 mi (7,355.58 km) |
| Smithville to Overijse | 4,527.18 mi (7,285.79 km) |
| Smithville to Overpelt | 4,542.91 mi (7,311.11 km) |
| Smithville to Paal | 4,540.82 mi (7,307.75 km) |
| Smithville to Peer | 4,547.44 mi (7,318.40 km) |
| Smithville to Pepinster | 4,582.31 mi (7,374.52 km) |
| Smithville to Peruwelz | 4,502.16 mi (7,245.53 km) |
| Smithville to Perwez | 4,543.52 mi (7,312.08 km) |
| Smithville to Philippeville | 4,549.83 mi (7,322.24 km) |
