| Blackburn to Marshall (Minnesota) | 3,958.49 mi (6,370.57 km) |
| Blackburn to Marshall (Missouri) | 4,131.89 mi (6,649.64 km) |
| Blackburn to Marshall (Texas) | 4,513.54 mi (7,263.83 km) |
| Blackburn to Marshalltown (Iowa) | 3,975.65 mi (6,398.20 km) |
| Blackburn to Marshfield (Wisconsin) | 3,750.47 mi (6,035.79 km) |
| Blackburn to Martha Lake (Washington) | 4,585.29 mi (7,379.31 km) |
| Blackburn to Martin (Tennessee) | 4,108.86 mi (6,612.58 km) |
| Blackburn to Martinez (California) | 5,152.31 mi (8,291.85 km) |
| Blackburn to Martinez (Georgia) | 3,987.42 mi (6,417.13 km) |
| Blackburn to Martinsburg (West Virginia) | 3,536.36 mi (5,691.22 km) |
| Blackburn to Martinsville (Indiana) | 3,864.52 mi (6,219.35 km) |
| Blackburn to Martinsville (New Jersey) | 3,349.67 mi (5,390.78 km) |
| Blackburn to Martinsville (Virginia) | 3,742.99 mi (6,023.75 km) |
| Blackburn to Maryland City (Maryland) | 3,506.98 mi (5,643.94 km) |
| Blackburn to Maryland Heights (Missouri) | 4,050.87 mi (6,519.25 km) |
