| Gahanna to Montevarchi | 4,589.26 mi (7,385.70 km) |
| Gahanna to Monticello Conte Otto | 4,511.42 mi (7,260.44 km) |
| Gahanna to Montichiari | 4,469.61 mi (7,193.15 km) |
| Gahanna to Montignoso | 4,512.20 mi (7,261.69 km) |
| Gahanna to Montopoli in Val d'Arno | 4,549.74 mi (7,322.10 km) |
| Gahanna to Monza | 4,417.54 mi (7,109.34 km) |
| Gahanna to Morbegno | 4,409.68 mi (7,096.70 km) |
| Gahanna to Mori | 4,477.74 mi (7,206.22 km) |
| Gahanna to Morlupo | 4,682.10 mi (7,535.12 km) |
| Gahanna to Morrovalle | 4,681.09 mi (7,533.49 km) |
| Gahanna to Mortara | 4,407.94 mi (7,093.89 km) |
| Gahanna to Mosciano Sant'Angelo | 4,715.91 mi (7,589.53 km) |
| Gahanna to Motta di Livenza | 4,546.12 mi (7,316.28 km) |
| Gahanna to Motta Sant'Anastasia | 4,975.87 mi (8,007.90 km) |
| Gahanna to Mottola | 4,933.39 mi (7,939.53 km) |
