| Piqua to Manerbio | 4,511.81 mi (7,261.06 km) |
| Piqua to Manfredonia | 4,897.12 mi (7,881.16 km) |
| Piqua to Maniago | 4,585.08 mi (7,378.97 km) |
| Piqua to Mantova | 4,546.54 mi (7,316.94 km) |
| Piqua to Maranello | 4,573.41 mi (7,360.20 km) |
| Piqua to Marano di Napoli | 4,855.54 mi (7,814.23 km) |
| Piqua to Marano Vicentino | 4,551.79 mi (7,325.40 km) |
| Piqua to Marcianise | 4,854.94 mi (7,813.27 km) |
| Piqua to Marcon | 4,592.16 mi (7,390.37 km) |
| Piqua to Mareno di Piave | 4,583.18 mi (7,375.91 km) |
| Piqua to Margherita di Savoia | 4,917.89 mi (7,914.58 km) |
| Piqua to Mariano Comense | 4,460.67 mi (7,178.76 km) |
| Piqua to Marigliano | 4,865.34 mi (7,830.01 km) |
| Piqua to Marino | 4,756.68 mi (7,655.14 km) |
| Piqua to Marostica | 4,558.96 mi (7,336.94 km) |
