| Greenock to Marshall (Minnesota) | 3,802.62 mi (6,119.73 km) |
| Greenock to Marshall (Missouri) | 3,985.67 mi (6,414.32 km) |
| Greenock to Marshall (Texas) | 4,374.86 mi (7,040.65 km) |
| Greenock to Marshalltown (Iowa) | 3,825.76 mi (6,156.97 km) |
| Greenock to Marshfield (Wisconsin) | 3,599.69 mi (5,793.15 km) |
| Greenock to Martha Lake (Washington) | 4,410.65 mi (7,098.26 km) |
| Greenock to Martin (Tennessee) | 3,972.25 mi (6,392.72 km) |
| Greenock to Martinez (California) | 4,981.57 mi (8,017.07 km) |
| Greenock to Martinez (Georgia) | 3,865.77 mi (6,221.36 km) |
| Greenock to Martinsburg (West Virginia) | 3,409.87 mi (5,487.66 km) |
| Greenock to Martinsville (Indiana) | 3,726.24 mi (5,996.80 km) |
| Greenock to Martinsville (New Jersey) | 3,225.94 mi (5,191.65 km) |
| Greenock to Martinsville (Virginia) | 3,619.06 mi (5,824.32 km) |
| Greenock to Maryland City (Maryland) | 3,383.02 mi (5,444.44 km) |
| Greenock to Maryland Heights (Missouri) | 3,908.51 mi (6,290.15 km) |
