| Portland to Michelstadt | 5,247.06 mi (8,444.33 km) |
| Portland to Michendorf | 5,183.58 mi (8,342.16 km) |
| Portland to Miesbach | 5,426.17 mi (8,732.58 km) |
| Portland to Miltenberg | 5,251.86 mi (8,452.05 km) |
| Portland to Mindelheim | 5,378.69 mi (8,656.17 km) |
| Portland to Minden | 5,093.55 mi (8,197.28 km) |
| Portland to Mittegrossefehn | 4,999.74 mi (8,046.30 km) |
| Portland to Mittenwalde | 5,197.07 mi (8,363.88 km) |
| Portland to Mittweida | 5,261.66 mi (8,467.82 km) |
| Portland to Mockern | 5,170.49 mi (8,321.10 km) |
| Portland to Moers | 5,086.73 mi (8,186.30 km) |
| Portland to Moglingen | 5,296.12 mi (8,523.29 km) |
| Portland to Mohnesee | 5,120.93 mi (8,241.35 km) |
| Portland to Molbergen | 5,037.45 mi (8,106.99 km) |
| Portland to Molln | 5,055.33 mi (8,135.77 km) |
