| Gahanna to Morristown (New Jersey) | 444.24 mi (714.93 km) |
| Gahanna to Morristown (Tennessee) | 265.05 mi (426.56 km) |
| Gahanna to Morrisville (North Carolina) | 363.16 mi (584.45 km) |
| Gahanna to Morro Bay (California) | 2,085.41 mi (3,356.15 km) |
| Gahanna to Morton (Illinois) | 350.14 mi (563.50 km) |
| Gahanna to Morton Grove (Illinois) | 292.03 mi (469.97 km) |
| Gahanna to Moscow (Idaho) | 1,760.52 mi (2,833.28 km) |
| Gahanna to Moses Lake (Washington) | 1,868.97 mi (3,007.82 km) |
| Gahanna to Moss Bluff (Louisiana) | 888.81 mi (1,430.41 km) |
| Gahanna to Moss Point (Mississippi) | 735.98 mi (1,184.45 km) |
| Gahanna to Moultrie (Georgia) | 614.69 mi (989.24 km) |
| Gahanna to Mounds View (Minnesota) | 631.96 mi (1,017.04 km) |
| Gahanna to Mount Airy (North Carolina) | 271.85 mi (437.50 km) |
| Gahanna to Mount Clemens (Michigan) | 177.75 mi (286.06 km) |
| Gahanna to Mount Dora (Florida) | 777.74 mi (1,251.65 km) |
