| Merzifon to Opwijk | 1,640.99 mi (2,640.92 km) |
| Merzifon to Ostend | 1,698.41 mi (2,733.32 km) |
| Merzifon to Oud-Heverlee | 1,618.39 mi (2,604.55 km) |
| Merzifon to Oud-Turnhout | 1,613.04 mi (2,595.94 km) |
| Merzifon to Oudenaarde | 1,664.07 mi (2,678.06 km) |
| Merzifon to Oudenburg | 1,694.38 mi (2,726.84 km) |
| Merzifon to Oupeye | 1,574.89 mi (2,534.54 km) |
| Merzifon to Overijse | 1,623.29 mi (2,612.43 km) |
| Merzifon to Overpelt | 1,593.16 mi (2,563.95 km) |
| Merzifon to Paal | 1,600.33 mi (2,575.49 km) |
| Merzifon to Peer | 1,590.14 mi (2,559.08 km) |
| Merzifon to Pepinster | 1,565.16 mi (2,518.88 km) |
| Merzifon to Peruwelz | 1,660.14 mi (2,671.74 km) |
| Merzifon to Perwez | 1,608.83 mi (2,589.16 km) |
| Merzifon to Philippeville | 1,614.04 mi (2,597.55 km) |
