| Lake Monticello to McKeesport (Pennsylvania) | 185.91 mi (299.19 km) |
| Lake Monticello to McKinleyville (California) | 2,422.80 mi (3,899.12 km) |
| Lake Monticello to McKinney (Texas) | 1,078.91 mi (1,736.34 km) |
| Lake Monticello to McLean (Virginia) | 93.63 mi (150.68 km) |
| Lake Monticello to McMinnville (Oregon) | 2,341.75 mi (3,768.68 km) |
| Lake Monticello to McMinnville (Tennessee) | 440.05 mi (708.19 km) |
| Lake Monticello to McNair (Virginia) | 86.81 mi (139.71 km) |
| Lake Monticello to McPherson (Kansas) | 1,048.94 mi (1,688.11 km) |
| Lake Monticello to Mead Valley (California) | 2,183.22 mi (3,513.55 km) |
| Lake Monticello to Meadow Woods (Florida) | 682.50 mi (1,098.37 km) |
| Lake Monticello to Meadowbrook (Virginia) | 57.79 mi (93.00 km) |
| Lake Monticello to Meadville (Pennsylvania) | 274.95 mi (442.49 km) |
| Lake Monticello to Mebane (North Carolina) | 137.12 mi (220.67 km) |
| Lake Monticello to Mechanicsville (Virginia) | 56.93 mi (91.61 km) |
| Lake Monticello to Medford (Massachusetts) | 491.72 mi (791.35 km) |
