| Gunbarrel to Marshall (Minnesota) | 566.90 mi (912.33 km) |
| Gunbarrel to Marshall (Missouri) | 640.24 mi (1,030.36 km) |
| Gunbarrel to Marshall (Texas) | 794.77 mi (1,279.06 km) |
| Gunbarrel to Marshalltown (Iowa) | 652.80 mi (1,050.58 km) |
| Gunbarrel to Marshfield (Wisconsin) | 827.45 mi (1,331.66 km) |
| Gunbarrel to Martha Lake (Washington) | 1,001.34 mi (1,611.50 km) |
| Gunbarrel to Martin (Tennessee) | 921.20 mi (1,482.53 km) |
| Gunbarrel to Martinez (California) | 919.13 mi (1,479.20 km) |
| Gunbarrel to Martinez (Georgia) | 1,349.60 mi (2,171.97 km) |
| Gunbarrel to Martinsburg (West Virginia) | 1,439.33 mi (2,316.37 km) |
| Gunbarrel to Martinsville (Indiana) | 994.81 mi (1,601.00 km) |
| Gunbarrel to Martinsville (New Jersey) | 1,603.76 mi (2,581.00 km) |
| Gunbarrel to Martinsville (Virginia) | 1,385.78 mi (2,230.20 km) |
| Gunbarrel to Maryland City (Maryland) | 1,505.59 mi (2,423.01 km) |
| Gunbarrel to Maryland Heights (Missouri) | 789.31 mi (1,270.27 km) |
