| Key Largo to Mexborough | 4,402.22 mi (7,084.70 km) |
| Key Largo to Mickleover | 4,396.53 mi (7,075.53 km) |
| Key Largo to Middlesbrough | 4,394.88 mi (7,072.88 km) |
| Key Largo to Middleton | 4,364.90 mi (7,024.63 km) |
| Key Largo to Middlewich | 4,357.33 mi (7,012.44 km) |
| Key Largo to Midsomer Norton | 4,372.03 mi (7,036.11 km) |
| Key Largo to Mildenhall | 4,487.65 mi (7,222.17 km) |
| Key Largo to Milford Haven | 4,259.23 mi (6,854.56 km) |
| Key Largo to Mill Hill | 4,464.60 mi (7,185.08 km) |
| Key Largo to Milngavie | 4,265.46 mi (6,864.59 km) |
| Key Largo to Milnrow | 4,367.55 mi (7,028.90 km) |
| Key Largo to Milton | 4,370.88 mi (7,034.26 km) |
| Key Largo to Milton Keynes | 4,437.80 mi (7,141.95 km) |
| Key Largo to Minehead | 4,330.17 mi (6,968.73 km) |
| Key Largo to Minster | 4,510.93 mi (7,259.63 km) |
