| Gahanna to Medford (New York) | 522.19 mi (840.38 km) |
| Gahanna to Medford (Oregon) | 2,066.52 mi (3,325.74 km) |
| Gahanna to Medina (Ohio) | 92.79 mi (149.34 km) |
| Gahanna to Medulla (Florida) | 835.32 mi (1,344.32 km) |
| Gahanna to Mehlville (Missouri) | 412.12 mi (663.24 km) |
| Gahanna to Melbourne (Florida) | 832.85 mi (1,340.34 km) |
| Gahanna to Melissa (Texas) | 888.80 mi (1,430.38 km) |
| Gahanna to Melrose (Massachusetts) | 635.28 mi (1,022.39 km) |
| Gahanna to Melrose Park (Illinois) | 291.28 mi (468.78 km) |
| Gahanna to Melville (New York) | 499.96 mi (804.61 km) |
| Gahanna to Melvindale (Michigan) | 156.67 mi (252.13 km) |
| Gahanna to Memphis (Florida) | 862.57 mi (1,388.17 km) |
| Gahanna to Memphis (Tennessee) | 516.11 mi (830.60 km) |
| Gahanna to Menasha (Wisconsin) | 406.02 mi (653.42 km) |
| Gahanna to Mendota (California) | 2,029.05 mi (3,265.44 km) |
