| Knoxville to Melzo | 4,651.21 mi (7,485.41 km) |
| Knoxville to Mendicino | 5,171.59 mi (8,322.87 km) |
| Knoxville to Menfi | 5,089.96 mi (8,191.50 km) |
| Knoxville to Mentana | 4,912.04 mi (7,905.17 km) |
| Knoxville to Merano | 4,684.75 mi (7,539.38 km) |
| Knoxville to Merate | 4,645.25 mi (7,475.81 km) |
| Knoxville to Mercato San Severino | 5,050.36 mi (8,127.77 km) |
| Knoxville to Mercogliano | 5,044.02 mi (8,117.56 km) |
| Knoxville to Mesagne | 5,190.37 mi (8,353.09 km) |
| Knoxville to Messina | 5,184.75 mi (8,344.06 km) |
| Knoxville to Mestre | 4,770.24 mi (7,676.96 km) |
| Knoxville to Mestrino | 4,751.95 mi (7,647.53 km) |
| Knoxville to Milan | 4,642.69 mi (7,471.70 km) |
| Knoxville to Milazzo | 5,169.60 mi (8,319.67 km) |
| Knoxville to Minerbio | 4,768.54 mi (7,674.22 km) |
