| Gardendale to Opwijk | 4,495.64 mi (7,235.04 km) |
| Gardendale to Ostend | 4,438.16 mi (7,142.53 km) |
| Gardendale to Oud-Heverlee | 4,518.64 mi (7,272.04 km) |
| Gardendale to Oud-Turnhout | 4,517.74 mi (7,270.60 km) |
| Gardendale to Oudenaarde | 4,475.47 mi (7,202.58 km) |
| Gardendale to Oudenburg | 4,442.51 mi (7,149.53 km) |
| Gardendale to Oupeye | 4,561.10 mi (7,340.38 km) |
| Gardendale to Overijse | 4,514.70 mi (7,265.70 km) |
| Gardendale to Overpelt | 4,537.67 mi (7,302.67 km) |
| Gardendale to Paal | 4,533.01 mi (7,295.18 km) |
| Gardendale to Peer | 4,541.50 mi (7,308.83 km) |
| Gardendale to Pepinster | 4,572.09 mi (7,358.07 km) |
| Gardendale to Peruwelz | 4,483.85 mi (7,216.07 km) |
| Gardendale to Perwez | 4,530.42 mi (7,291.00 km) |
| Gardendale to Philippeville | 4,531.66 mi (7,293.00 km) |
