| Greenock to Morristown (New Jersey) | 3,212.99 mi (5,170.80 km) |
| Greenock to Morristown (Tennessee) | 3,772.89 mi (6,071.87 km) |
| Greenock to Morrisville (North Carolina) | 3,622.80 mi (5,830.33 km) |
| Greenock to Morro Bay (California) | 5,099.71 mi (8,207.19 km) |
| Greenock to Morton (Illinois) | 3,775.83 mi (6,076.61 km) |
| Greenock to Morton Grove (Illinois) | 3,644.32 mi (5,864.96 km) |
| Greenock to Moscow (Idaho) | 4,334.67 mi (6,975.97 km) |
| Greenock to Moses Lake (Washington) | 4,374.22 mi (7,039.63 km) |
| Greenock to Moss Bluff (Louisiana) | 4,453.35 mi (7,166.97 km) |
| Greenock to Moss Point (Mississippi) | 4,272.35 mi (6,875.68 km) |
| Greenock to Moultrie (Georgia) | 4,053.17 mi (6,522.95 km) |
| Greenock to Mounds View (Minnesota) | 3,682.27 mi (5,926.04 km) |
| Greenock to Mount Airy (North Carolina) | 3,656.31 mi (5,884.26 km) |
| Greenock to Mount Clemens (Michigan) | 3,439.74 mi (5,535.73 km) |
| Greenock to Mount Dora (Florida) | 4,096.12 mi (6,592.07 km) |
