| Piqua to Magstadt | 4,341.67 mi (6,987.25 km) |
| Piqua to Mainaschaff | 4,302.48 mi (6,924.17 km) |
| Piqua to Mainburg | 4,454.29 mi (7,168.49 km) |
| Piqua to Maintal | 4,287.09 mi (6,899.41 km) |
| Piqua to Mainz | 4,271.12 mi (6,873.71 km) |
| Piqua to Maisach | 4,450.43 mi (7,162.28 km) |
| Piqua to Maisenhausen | 4,297.78 mi (6,916.60 km) |
| Piqua to Malente | 4,212.22 mi (6,778.91 km) |
| Piqua to Malsch | 4,312.11 mi (6,939.66 km) |
| Piqua to Manching | 4,440.74 mi (7,146.68 km) |
| Piqua to Mannheim | 4,296.01 mi (6,913.77 km) |
| Piqua to Mansfeld | 4,334.45 mi (6,975.62 km) |
| Piqua to Marbach am Neckar | 4,345.99 mi (6,994.19 km) |
| Piqua to Marburg | 4,261.87 mi (6,858.82 km) |
| Piqua to Marienberg | 4,431.95 mi (7,132.54 km) |
