| Potomac to Magstadt | 4,110.97 mi (6,615.97 km) |
| Potomac to Mainaschaff | 4,078.75 mi (6,564.11 km) |
| Potomac to Mainburg | 4,228.63 mi (6,805.33 km) |
| Potomac to Maintal | 4,063.82 mi (6,540.08 km) |
| Potomac to Mainz | 4,045.88 mi (6,511.21 km) |
| Potomac to Maisach | 4,221.46 mi (6,793.79 km) |
| Potomac to Maisenhausen | 4,074.06 mi (6,556.57 km) |
| Potomac to Malente | 4,015.14 mi (6,461.74 km) |
| Potomac to Malsch | 4,080.95 mi (6,567.66 km) |
| Potomac to Manching | 4,214.87 mi (6,783.18 km) |
| Potomac to Mannheim | 4,068.41 mi (6,547.47 km) |
| Potomac to Mansfeld | 4,124.15 mi (6,637.18 km) |
| Potomac to Marbach am Neckar | 4,116.86 mi (6,625.44 km) |
| Potomac to Marburg | 4,042.17 mi (6,505.24 km) |
| Potomac to Marienberg | 4,219.64 mi (6,790.86 km) |
