| Greenock to Marysville (California) | 4,898.66 mi (7,883.64 km) |
| Greenock to Marysville (Ohio) | 3,572.84 mi (5,749.93 km) |
| Greenock to Marysville (Washington) | 4,395.29 mi (7,073.53 km) |
| Greenock to Maryville (Missouri) | 3,980.91 mi (6,406.65 km) |
| Greenock to Maryville (Tennessee) | 3,821.79 mi (6,150.58 km) |
| Greenock to Mason (Ohio) | 3,650.88 mi (5,875.53 km) |
| Greenock to Mason City (Iowa) | 3,779.69 mi (6,082.82 km) |
| Greenock to Massapequa (New York) | 3,180.96 mi (5,119.26 km) |
| Greenock to Massapequa Park (New York) | 3,179.49 mi (5,116.89 km) |
| Greenock to Massillon (Ohio) | 3,477.75 mi (5,596.89 km) |
| Greenock to Mastic (New York) | 3,150.55 mi (5,070.31 km) |
| Greenock to Mastic Beach (New York) | 3,152.18 mi (5,072.94 km) |
| Greenock to Matteson (Illinois) | 3,669.22 mi (5,905.03 km) |
| Greenock to Matthews (North Carolina) | 3,730.61 mi (6,003.83 km) |
| Greenock to Mattoon (Illinois) | 3,793.42 mi (6,104.91 km) |
