| Guisborough to Opwijk | 329.67 mi (530.55 km) |
| Guisborough to Ostend | 282.32 mi (454.35 km) |
| Guisborough to Oud-Heverlee | 350.32 mi (563.78 km) |
| Guisborough to Oud-Turnhout | 335.54 mi (540.00 km) |
| Guisborough to Oudenaarde | 320.55 mi (515.88 km) |
| Guisborough to Oudenburg | 286.71 mi (461.42 km) |
| Guisborough to Oupeye | 385.53 mi (620.45 km) |
| Guisborough to Overijse | 349.17 mi (561.94 km) |
| Guisborough to Overpelt | 353.91 mi (569.56 km) |
| Guisborough to Paal | 354.85 mi (571.07 km) |
| Guisborough to Peer | 359.04 mi (577.82 km) |
| Guisborough to Pepinster | 397.85 mi (640.28 km) |
| Guisborough to Peruwelz | 339.13 mi (545.78 km) |
| Guisborough to Perwez | 365.52 mi (588.25 km) |
| Guisborough to Philippeville | 381.40 mi (613.80 km) |
