| Difficult Run to Lynn (Massachusetts) | 415.51 mi (668.69 km) |
| Difficult Run to Lynn Haven (Florida) | 761.56 mi (1,225.62 km) |
| Difficult Run to Lynnwood (Washington) | 2,305.59 mi (3,710.49 km) |
| Difficult Run to Lynwood (California) | 2,278.37 mi (3,666.68 km) |
| Difficult Run to Lyons (Illinois) | 586.40 mi (943.73 km) |
| Difficult Run to Mableton (Georgia) | 533.45 mi (858.51 km) |
| Difficult Run to Macedonia (Ohio) | 275.51 mi (443.39 km) |
| Difficult Run to Machesney Park (Illinois) | 656.83 mi (1,057.07 km) |
| Difficult Run to Mack (Ohio) | 393.83 mi (633.82 km) |
| Difficult Run to Macomb (Illinois) | 716.49 mi (1,153.08 km) |
| Difficult Run to Macon (Georgia) | 550.88 mi (886.55 km) |
| Difficult Run to Madera (California) | 2,311.18 mi (3,719.48 km) |
| Difficult Run to Madison (Alabama) | 595.47 mi (958.31 km) |
| Difficult Run to Madison (Indiana) | 433.27 mi (697.28 km) |
| Difficult Run to Madison (Mississippi) | 842.46 mi (1,355.80 km) |
