| Frankfurt to Opwijk | 206.19 mi (331.82 km) |
| Frankfurt to Ostend | 263.78 mi (424.52 km) |
| Frankfurt to Oud-Heverlee | 183.48 mi (295.28 km) |
| Frankfurt to Oud-Turnhout | 181.99 mi (292.89 km) |
| Frankfurt to Oudenaarde | 229.16 mi (368.80 km) |
| Frankfurt to Oudenburg | 259.67 mi (417.90 km) |
| Frankfurt to Oupeye | 140.04 mi (225.37 km) |
| Frankfurt to Overijse | 188.34 mi (303.10 km) |
| Frankfurt to Overpelt | 162.13 mi (260.93 km) |
| Frankfurt to Paal | 166.80 mi (268.44 km) |
| Frankfurt to Peer | 158.15 mi (254.52 km) |
| Frankfurt to Pepinster | 130.23 mi (209.58 km) |
| Frankfurt to Peruwelz | 226.67 mi (364.79 km) |
| Frankfurt to Perwez | 174.07 mi (280.13 km) |
| Frankfurt to Philippeville | 183.01 mi (294.52 km) |
