| Athens to Opwijk | 1,308.89 mi (2,106.45 km) |
| Athens to Ostend | 1,364.12 mi (2,195.34 km) |
| Athens to Oud-Heverlee | 1,286.43 mi (2,070.30 km) |
| Athens to Oud-Turnhout | 1,295.64 mi (2,085.12 km) |
| Athens to Oudenaarde | 1,325.07 mi (2,132.50 km) |
| Athens to Oudenburg | 1,359.59 mi (2,188.04 km) |
| Athens to Oupeye | 1,247.17 mi (2,007.13 km) |
| Athens to Overijse | 1,289.10 mi (2,074.60 km) |
| Athens to Overpelt | 1,276.65 mi (2,054.57 km) |
| Athens to Paal | 1,277.39 mi (2,055.75 km) |
| Athens to Peer | 1,271.79 mi (2,046.75 km) |
| Athens to Pepinster | 1,235.16 mi (1,987.80 km) |
| Athens to Peruwelz | 1,312.82 mi (2,112.79 km) |
| Athens to Perwez | 1,272.66 mi (2,048.15 km) |
| Athens to Philippeville | 1,265.26 mi (2,036.24 km) |
