| Efringen-Kirchen to Opwijk | 274.80 mi (442.25 km) |
| Efringen-Kirchen to Ostend | 323.02 mi (519.84 km) |
| Efringen-Kirchen to Oud-Heverlee | 255.50 mi (411.19 km) |
| Efringen-Kirchen to Oud-Turnhout | 278.21 mi (447.73 km) |
| Efringen-Kirchen to Oudenaarde | 283.99 mi (457.04 km) |
| Efringen-Kirchen to Oudenburg | 318.50 mi (512.58 km) |
| Efringen-Kirchen to Oupeye | 228.08 mi (367.05 km) |
| Efringen-Kirchen to Overijse | 255.74 mi (411.58 km) |
| Efringen-Kirchen to Overpelt | 264.29 mi (425.33 km) |
| Efringen-Kirchen to Paal | 257.37 mi (414.20 km) |
| Efringen-Kirchen to Peer | 258.32 mi (415.72 km) |
| Efringen-Kirchen to Pepinster | 216.12 mi (347.81 km) |
| Efringen-Kirchen to Peruwelz | 267.42 mi (430.37 km) |
| Efringen-Kirchen to Perwez | 239.81 mi (385.94 km) |
| Efringen-Kirchen to Philippeville | 222.78 mi (358.53 km) |
