| Modica to Opwijk | 1,104.77 mi (1,777.96 km) |
| Modica to Ostend | 1,150.04 mi (1,850.80 km) |
| Modica to Oud-Heverlee | 1,085.86 mi (1,747.53 km) |
| Modica to Oud-Turnhout | 1,107.76 mi (1,782.76 km) |
| Modica to Oudenaarde | 1,111.89 mi (1,789.42 km) |
| Modica to Oudenburg | 1,145.63 mi (1,843.71 km) |
| Modica to Oupeye | 1,057.08 mi (1,701.20 km) |
| Modica to Overijse | 1,085.95 mi (1,747.67 km) |
| Modica to Overpelt | 1,092.64 mi (1,758.43 km) |
| Modica to Paal | 1,087.02 mi (1,749.40 km) |
| Modica to Peer | 1,086.78 mi (1,749.00 km) |
| Modica to Pepinster | 1,044.85 mi (1,681.52 km) |
| Modica to Peruwelz | 1,093.29 mi (1,759.47 km) |
| Modica to Perwez | 1,070.14 mi (1,722.22 km) |
| Modica to Philippeville | 1,051.44 mi (1,692.13 km) |
