| Giffnock to Marysville (California) | 4,918.82 mi (7,916.07 km) |
| Giffnock to Marysville (Ohio) | 3,593.25 mi (5,782.78 km) |
| Giffnock to Marysville (Washington) | 4,414.84 mi (7,105.00 km) |
| Giffnock to Maryville (Missouri) | 4,001.68 mi (6,440.07 km) |
| Giffnock to Maryville (Tennessee) | 3,841.94 mi (6,183.01 km) |
| Giffnock to Mason (Ohio) | 3,671.29 mi (5,908.37 km) |
| Giffnock to Mason City (Iowa) | 3,800.48 mi (6,116.28 km) |
| Giffnock to Massapequa (New York) | 3,200.79 mi (5,151.17 km) |
| Giffnock to Massapequa Park (New York) | 3,199.32 mi (5,148.80 km) |
| Giffnock to Massillon (Ohio) | 3,498.11 mi (5,629.66 km) |
| Giffnock to Mastic (New York) | 3,170.34 mi (5,102.17 km) |
| Giffnock to Mastic Beach (New York) | 3,171.96 mi (5,104.78 km) |
| Giffnock to Matteson (Illinois) | 3,689.87 mi (5,938.27 km) |
| Giffnock to Matthews (North Carolina) | 3,750.46 mi (6,035.79 km) |
| Giffnock to Mattoon (Illinois) | 3,814.00 mi (6,138.04 km) |
