| Armthorpe to Opwijk | 283.67 mi (456.52 km) |
| Armthorpe to Ostend | 231.28 mi (372.20 km) |
| Armthorpe to Oud-Heverlee | 305.69 mi (491.97 km) |
| Armthorpe to Oud-Turnhout | 296.77 mi (477.60 km) |
| Armthorpe to Oudenaarde | 270.54 mi (435.39 km) |
| Armthorpe to Oudenburg | 235.82 mi (379.51 km) |
| Armthorpe to Oupeye | 344.48 mi (554.39 km) |
| Armthorpe to Overijse | 303.50 mi (488.43 km) |
| Armthorpe to Overpelt | 316.23 mi (508.92 km) |
| Armthorpe to Paal | 314.41 mi (505.99 km) |
| Armthorpe to Peer | 320.75 mi (516.20 km) |
| Armthorpe to Pepinster | 356.47 mi (573.68 km) |
| Armthorpe to Peruwelz | 286.82 mi (461.60 km) |
| Armthorpe to Perwez | 320.02 mi (515.02 km) |
| Armthorpe to Philippeville | 331.82 mi (534.02 km) |
