| Gadsden to Opwijk | 4,447.12 mi (7,156.94 km) |
| Gadsden to Ostend | 4,389.61 mi (7,064.40 km) |
| Gadsden to Oud-Heverlee | 4,470.11 mi (7,193.95 km) |
| Gadsden to Oud-Turnhout | 4,469.38 mi (7,192.77 km) |
| Gadsden to Oudenaarde | 4,426.87 mi (7,124.36 km) |
| Gadsden to Oudenburg | 4,393.95 mi (7,071.39 km) |
| Gadsden to Oupeye | 4,512.62 mi (7,262.36 km) |
| Gadsden to Overijse | 4,466.14 mi (7,187.57 km) |
| Gadsden to Overpelt | 4,489.31 mi (7,224.85 km) |
| Gadsden to Paal | 4,484.59 mi (7,217.25 km) |
| Gadsden to Peer | 4,493.12 mi (7,230.98 km) |
| Gadsden to Pepinster | 4,523.58 mi (7,280.00 km) |
| Gadsden to Peruwelz | 4,435.15 mi (7,137.69 km) |
| Gadsden to Perwez | 4,481.84 mi (7,212.83 km) |
| Gadsden to Philippeville | 4,482.95 mi (7,214.61 km) |
