| Erfelek to Opwijk | 1,577.92 mi (2,539.42 km) |
| Erfelek to Ostend | 1,635.17 mi (2,631.56 km) |
| Erfelek to Oud-Heverlee | 1,555.44 mi (2,503.24 km) |
| Erfelek to Oud-Turnhout | 1,549.16 mi (2,493.13 km) |
| Erfelek to Oudenaarde | 1,601.34 mi (2,577.11 km) |
| Erfelek to Oudenburg | 1,631.20 mi (2,625.17 km) |
| Erfelek to Oupeye | 1,511.91 mi (2,433.19 km) |
| Erfelek to Overijse | 1,560.46 mi (2,511.32 km) |
| Erfelek to Overpelt | 1,529.34 mi (2,461.23 km) |
| Erfelek to Paal | 1,536.88 mi (2,473.38 km) |
| Erfelek to Peer | 1,526.45 mi (2,456.58 km) |
| Erfelek to Pepinster | 1,502.40 mi (2,417.88 km) |
| Erfelek to Peruwelz | 1,598.02 mi (2,571.76 km) |
| Erfelek to Perwez | 1,546.22 mi (2,488.40 km) |
| Erfelek to Philippeville | 1,552.29 mi (2,498.17 km) |
