| Gahanna to Manassas (Virginia) | 300.48 mi (483.58 km) |
| Gahanna to Manassas Park (Virginia) | 302.06 mi (486.13 km) |
| Gahanna to Manatí (Puerto Rico) | 1,782.73 mi (2,869.02 km) |
| Gahanna to Manchester (Missouri) | 420.43 mi (676.62 km) |
| Gahanna to Manchester (New Hampshire) | 624.64 mi (1,005.25 km) |
| Gahanna to Manchester (Tennessee) | 360.75 mi (580.57 km) |
| Gahanna to Manchester (Virginia) | 336.01 mi (540.75 km) |
| Gahanna to Mandan (North Dakota) | 1,015.96 mi (1,635.03 km) |
| Gahanna to Mandeville (Louisiana) | 781.01 mi (1,256.91 km) |
| Gahanna to Mango (Florida) | 832.05 mi (1,339.06 km) |
| Gahanna to Manhattan (Kansas) | 733.01 mi (1,179.67 km) |
| Gahanna to Manhattan (New York) | 470.85 mi (757.76 km) |
| Gahanna to Manhattan Beach (California) | 1,993.25 mi (3,207.82 km) |
| Gahanna to Manitowoc (Wisconsin) | 374.43 mi (602.59 km) |
| Gahanna to Mankato (Minnesota) | 636.98 mi (1,025.13 km) |
