| Holly Hill to Opwijk | 4,479.87 mi (7,209.66 km) |
| Holly Hill to Ostend | 4,422.23 mi (7,116.90 km) |
| Holly Hill to Oud-Heverlee | 4,502.68 mi (7,246.36 km) |
| Holly Hill to Oud-Turnhout | 4,506.36 mi (7,252.28 km) |
| Holly Hill to Oudenaarde | 4,457.65 mi (7,173.90 km) |
| Holly Hill to Oudenburg | 4,426.37 mi (7,123.55 km) |
| Holly Hill to Oupeye | 4,546.01 mi (7,316.10 km) |
| Holly Hill to Overijse | 4,498.07 mi (7,238.95 km) |
| Holly Hill to Overpelt | 4,526.29 mi (7,284.36 km) |
| Holly Hill to Paal | 4,519.71 mi (7,273.78 km) |
| Holly Hill to Peer | 4,529.50 mi (7,289.53 km) |
| Holly Hill to Pepinster | 4,556.19 mi (7,332.48 km) |
| Holly Hill to Peruwelz | 4,463.23 mi (7,182.88 km) |
| Holly Hill to Perwez | 4,513.02 mi (7,263.01 km) |
| Holly Hill to Philippeville | 4,510.28 mi (7,258.59 km) |
