| Greenock to Monticello (Minnesota) | 3,692.86 mi (5,943.09 km) |
| Greenock to Montrose (Colorado) | 4,519.42 mi (7,273.30 km) |
| Greenock to Moody (Alabama) | 4,027.70 mi (6,481.95 km) |
| Greenock to Moore (Oklahoma) | 4,337.16 mi (6,979.98 km) |
| Greenock to Moorestown-Lenola (New Jersey) | 3,271.27 mi (5,264.61 km) |
| Greenock to Mooresville (North Carolina) | 3,711.24 mi (5,972.67 km) |
| Greenock to Moorhead (Minnesota) | 3,713.23 mi (5,975.87 km) |
| Greenock to Moorpark (California) | 5,104.19 mi (8,214.40 km) |
| Greenock to Moraga (California) | 4,990.86 mi (8,032.02 km) |
| Greenock to Moreno Valley (California) | 5,074.01 mi (8,165.82 km) |
| Greenock to Morgan City (Louisiana) | 4,410.95 mi (7,098.73 km) |
| Greenock to Morgan Hill (California) | 5,018.99 mi (8,077.29 km) |
| Greenock to Morganton (North Carolina) | 3,736.32 mi (6,013.03 km) |
| Greenock to Morgantown (West Virginia) | 3,475.00 mi (5,592.48 km) |
| Greenock to Morris (Illinois) | 3,700.47 mi (5,955.32 km) |
