| Mercerville to McHenry (Illinois) | 720.11 mi (1,158.90 km) |
| Mercerville to McKeesport (Pennsylvania) | 271.61 mi (437.11 km) |
| Mercerville to McKinleyville (California) | 2,556.62 mi (4,114.48 km) |
| Mercerville to McKinney (Texas) | 1,306.13 mi (2,102.02 km) |
| Mercerville to McLean (Virginia) | 160.39 mi (258.13 km) |
| Mercerville to McMinnville (Oregon) | 2,448.23 mi (3,940.05 km) |
| Mercerville to McMinnville (Tennessee) | 680.28 mi (1,094.80 km) |
| Mercerville to McNair (Virginia) | 169.84 mi (273.32 km) |
| Mercerville to McPherson (Kansas) | 1,231.28 mi (1,981.55 km) |
| Mercerville to Mead Valley (California) | 2,367.32 mi (3,809.83 km) |
| Mercerville to Meadow Woods (Florida) | 902.87 mi (1,453.04 km) |
| Mercerville to Meadowbrook (Virginia) | 244.94 mi (394.19 km) |
| Mercerville to Meadville (Pennsylvania) | 300.89 mi (484.23 km) |
| Mercerville to Mebane (North Carolina) | 379.63 mi (610.96 km) |
| Mercerville to Mechanicsville (Virginia) | 230.24 mi (370.53 km) |
