| Scottsbluff to Mattoon (Illinois) | 817.40 mi (1,315.48 km) |
| Scottsbluff to Mauldin (South Carolina) | 1,252.63 mi (2,015.92 km) |
| Scottsbluff to Maumee (Ohio) | 1,029.22 mi (1,656.36 km) |
| Scottsbluff to Maumelle (Arkansas) | 778.11 mi (1,252.25 km) |
| Scottsbluff to Mayagüez (Puerto Rico) | 2,695.75 mi (4,338.39 km) |
| Scottsbluff to Mayfield Heights (Ohio) | 1,142.85 mi (1,839.24 km) |
| Scottsbluff to Mays Chapel (Maryland) | 1,419.89 mi (2,285.10 km) |
| Scottsbluff to Maywood (California) | 958.69 mi (1,542.86 km) |
| Scottsbluff to Maywood (Illinois) | 812.61 mi (1,307.78 km) |
| Scottsbluff to McAlester (Oklahoma) | 641.72 mi (1,032.75 km) |
| Scottsbluff to McAllen (Texas) | 1,123.78 mi (1,808.54 km) |
| Scottsbluff to McCalla (Alabama) | 1,083.07 mi (1,743.03 km) |
| Scottsbluff to McComb (Mississippi) | 1,034.33 mi (1,664.59 km) |
| Scottsbluff to McDonough (Georgia) | 1,211.78 mi (1,950.17 km) |
| Scottsbluff to McFarland (California) | 939.96 mi (1,512.72 km) |
