| Merzifon to Octeville | 1,881.38 mi (3,027.79 km) |
| Merzifon to Oignies | 1,684.98 mi (2,711.71 km) |
| Merzifon to Oissel | 1,757.34 mi (2,828.17 km) |
| Merzifon to Olivet | 1,711.46 mi (2,754.33 km) |
| Merzifon to Ollioules | 1,520.57 mi (2,447.12 km) |
| Merzifon to Olonne-sur-Mer | 1,882.16 mi (3,029.04 km) |
| Merzifon to Oloron-Sainte-Marie | 1,843.62 mi (2,967.02 km) |
| Merzifon to Onet Village | 1,677.02 mi (2,698.91 km) |
| Merzifon to Onnaing | 1,657.79 mi (2,667.95 km) |
| Merzifon to Orange | 1,568.28 mi (2,523.91 km) |
| Merzifon to Orchies | 1,674.22 mi (2,694.39 km) |
| Merzifon to Orleans | 1,711.25 mi (2,753.99 km) |
| Merzifon to Orly | 1,694.25 mi (2,726.63 km) |
| Merzifon to Ormesson-sur-Marne | 1,687.98 mi (2,716.55 km) |
| Merzifon to Orsay | 1,703.22 mi (2,741.07 km) |
