| Gahanna to Melzo | 4,426.46 mi (7,123.70 km) |
| Gahanna to Mendicino | 4,955.31 mi (7,974.81 km) |
| Gahanna to Menfi | 4,883.60 mi (7,859.40 km) |
| Gahanna to Mentana | 4,693.21 mi (7,553.00 km) |
| Gahanna to Merano | 4,454.61 mi (7,168.99 km) |
| Gahanna to Merate | 4,419.89 mi (7,113.13 km) |
| Gahanna to Mercato San Severino | 4,831.99 mi (7,776.34 km) |
| Gahanna to Mercogliano | 4,825.29 mi (7,765.56 km) |
| Gahanna to Mesagne | 4,968.12 mi (7,995.41 km) |
| Gahanna to Messina | 4,972.49 mi (8,002.45 km) |
| Gahanna to Mestre | 4,542.11 mi (7,309.82 km) |
| Gahanna to Mestrino | 4,524.51 mi (7,281.49 km) |
| Gahanna to Milan | 4,418.31 mi (7,110.59 km) |
| Gahanna to Milazzo | 4,957.78 mi (7,978.77 km) |
| Gahanna to Minerbio | 4,543.81 mi (7,312.56 km) |
