| Gahanna to Mombris | 4,255.69 mi (6,848.87 km) |
| Gahanna to Monchengladbach | 4,113.08 mi (6,619.36 km) |
| Gahanna to Monschau | 4,126.61 mi (6,641.14 km) |
| Gahanna to Montabaur | 4,191.46 mi (6,745.50 km) |
| Gahanna to Moosburg | 4,419.37 mi (7,112.28 km) |
| Gahanna to Morbach | 4,184.32 mi (6,734.02 km) |
| Gahanna to Morfelden-Walldorf | 4,235.38 mi (6,816.19 km) |
| Gahanna to Morlenbach | 4,254.94 mi (6,847.66 km) |
| Gahanna to Morsbach | 4,173.14 mi (6,716.03 km) |
| Gahanna to Mosbach | 4,279.37 mi (6,886.98 km) |
| Gahanna to Mosigkau | 4,310.09 mi (6,936.43 km) |
| Gahanna to Mossingen | 4,308.58 mi (6,933.99 km) |
| Gahanna to Much | 4,159.35 mi (6,693.82 km) |
| Gahanna to Mucheln | 4,312.82 mi (6,940.81 km) |
| Gahanna to Muhlacker | 4,281.16 mi (6,889.86 km) |
