| Efkarpia to Opwijk | 1,143.83 mi (1,840.82 km) |
| Efkarpia to Ostend | 1,200.21 mi (1,931.55 km) |
| Efkarpia to Oud-Heverlee | 1,121.05 mi (1,804.15 km) |
| Efkarpia to Oud-Turnhout | 1,127.49 mi (1,814.51 km) |
| Efkarpia to Oudenaarde | 1,161.67 mi (1,869.53 km) |
| Efkarpia to Oudenburg | 1,195.72 mi (1,924.33 km) |
| Efkarpia to Oupeye | 1,080.40 mi (1,738.73 km) |
| Efkarpia to Overijse | 1,124.21 mi (1,809.25 km) |
| Efkarpia to Overpelt | 1,108.08 mi (1,783.29 km) |
| Efkarpia to Paal | 1,110.07 mi (1,786.49 km) |
| Efkarpia to Peer | 1,103.51 mi (1,775.92 km) |
| Efkarpia to Pepinster | 1,068.68 mi (1,719.87 km) |
| Efkarpia to Peruwelz | 1,151.07 mi (1,852.47 km) |
| Efkarpia to Perwez | 1,107.97 mi (1,783.10 km) |
| Efkarpia to Philippeville | 1,103.20 mi (1,775.43 km) |
