| Gahanna to Montigny-les-Metz | 4,169.75 mi (6,710.56 km) |
| Gahanna to Montivilliers | 3,915.44 mi (6,301.30 km) |
| Gahanna to Montlouis-sur-Loire | 4,005.70 mi (6,446.56 km) |
| Gahanna to Montlucon | 4,113.27 mi (6,619.67 km) |
| Gahanna to Montmagny | 4,020.30 mi (6,470.06 km) |
| Gahanna to Montmorency | 4,018.85 mi (6,467.72 km) |
| Gahanna to Montpellier | 4,258.38 mi (6,853.21 km) |
| Gahanna to Montreuil | 4,027.72 mi (6,481.99 km) |
| Gahanna to Montrouge | 4,024.09 mi (6,476.15 km) |
| Gahanna to Morangis | 4,028.00 mi (6,482.43 km) |
| Gahanna to Morieres-les-Avignon | 4,291.50 mi (6,906.50 km) |
| Gahanna to Morlaix | 3,775.78 mi (6,076.52 km) |
| Gahanna to Morsang-sur-Orge | 4,029.83 mi (6,485.38 km) |
| Gahanna to Mouans-Sartoux | 4,391.56 mi (7,067.53 km) |
| Gahanna to Mougins | 4,393.25 mi (7,070.25 km) |
