| Elfers to Opwijk | 4,601.45 mi (7,405.32 km) |
| Elfers to Ostend | 4,543.80 mi (7,312.54 km) |
| Elfers to Oud-Heverlee | 4,624.28 mi (7,442.06 km) |
| Elfers to Oud-Turnhout | 4,627.71 mi (7,447.58 km) |
| Elfers to Oudenaarde | 4,579.33 mi (7,369.72 km) |
| Elfers to Oudenburg | 4,547.95 mi (7,319.22 km) |
| Elfers to Oupeye | 4,667.58 mi (7,511.75 km) |
| Elfers to Overijse | 4,619.71 mi (7,434.70 km) |
| Elfers to Overpelt | 4,647.65 mi (7,479.67 km) |
| Elfers to Paal | 4,641.18 mi (7,469.26 km) |
| Elfers to Peer | 4,650.90 mi (7,484.90 km) |
| Elfers to Pepinster | 4,677.81 mi (7,528.20 km) |
| Elfers to Peruwelz | 4,585.06 mi (7,378.94 km) |
| Elfers to Perwez | 4,634.71 mi (7,458.84 km) |
| Elfers to Philippeville | 4,632.16 mi (7,454.74 km) |
