| Difficult Run to Westland (Michigan) | 394.68 mi (635.18 km) |
| Difficult Run to Westminster (California) | 2,271.44 mi (3,655.54 km) |
| Difficult Run to Westminster (Colorado) | 1,475.52 mi (2,374.61 km) |
| Difficult Run to Westminster (Maryland) | 50.26 mi (80.89 km) |
| Difficult Run to Westmont (California) | 2,283.31 mi (3,674.63 km) |
| Difficult Run to Westmont (Illinois) | 593.74 mi (955.53 km) |
| Difficult Run to Westmont (New Jersey) | 140.74 mi (226.50 km) |
| Difficult Run to Weston (Florida) | 902.08 mi (1,451.75 km) |
| Difficult Run to Weston (Wisconsin) | 750.42 mi (1,207.69 km) |
| Difficult Run to Westphalia (Maryland) | 28.20 mi (45.38 km) |
| Difficult Run to Westview (Florida) | 915.10 mi (1,472.71 km) |
| Difficult Run to Westwood (New Jersey) | 227.21 mi (365.65 km) |
| Difficult Run to Westwood Lakes (Florida) | 927.31 mi (1,492.36 km) |
| Difficult Run to Wheat Ridge (Colorado) | 1,478.51 mi (2,379.43 km) |
| Difficult Run to Wheaton (Illinois) | 601.56 mi (968.12 km) |
