| Herenthout to Ostend | 80.17 mi (129.02 km) |
| Herenthout to Oud-Heverlee | 22.31 mi (35.90 km) |
| Herenthout to Oud-Turnhout | 14.85 mi (23.90 km) |
| Herenthout to Oudenaarde | 54.80 mi (88.19 km) |
| Herenthout to Oudenburg | 76.58 mi (123.24 km) |
| Herenthout to Oupeye | 48.87 mi (78.64 km) |
| Herenthout to Overijse | 27.30 mi (43.93 km) |
| Herenthout to Overpelt | 28.53 mi (45.91 km) |
| Herenthout to Paal | 19.21 mi (30.92 km) |
| Herenthout to Peer | 29.80 mi (47.96 km) |
| Herenthout to Pepinster | 61.00 mi (98.17 km) |
| Herenthout to Peruwelz | 67.68 mi (108.93 km) |
| Herenthout to Perwez | 36.40 mi (58.58 km) |
| Herenthout to Philippeville | 66.32 mi (106.73 km) |
| Herenthout to Plombieres | 59.02 mi (94.98 km) |
