| Willoughby to Miami Gardens (Florida) | 1,086.98 mi (1,749.32 km) |
| Willoughby to Miami Lakes (Florida) | 1,088.84 mi (1,752.31 km) |
| Willoughby to Miami Shores (Florida) | 1,092.47 mi (1,758.16 km) |
| Willoughby to Miami Springs (Florida) | 1,095.36 mi (1,762.81 km) |
| Willoughby to Miamisburg (Ohio) | 204.69 mi (329.41 km) |
| Willoughby to Michigan City (Indiana) | 281.78 mi (453.49 km) |
| Willoughby to Middle Island (New York) | 442.47 mi (712.08 km) |
| Willoughby to Middle River (Maryland) | 306.28 mi (492.92 km) |
| Willoughby to Middle Valley (Tennessee) | 490.93 mi (790.08 km) |
| Willoughby to Middleburg (Florida) | 801.66 mi (1,290.14 km) |
| Willoughby to Middleburg Heights (Ohio) | 28.41 mi (45.72 km) |
| Willoughby to Middlesex (New Jersey) | 367.01 mi (590.65 km) |
| Willoughby to Middleton (Wisconsin) | 425.26 mi (684.39 km) |
| Willoughby to Middletown (Connecticut) | 452.15 mi (727.67 km) |
| Willoughby to Middletown (Delaware) | 335.13 mi (539.33 km) |
