| Difficult Run to Woodlawn (Virginia) | 17.08 mi (27.48 km) |
| Difficult Run to Woodlyn (Pennsylvania) | 126.41 mi (203.44 km) |
| Difficult Run to Woodmere (Louisiana) | 956.40 mi (1,539.17 km) |
| Difficult Run to Woodmere (New York) | 226.80 mi (364.99 km) |
| Difficult Run to Woodridge (Illinois) | 595.95 mi (959.09 km) |
| Difficult Run to Woods Cross (Utah) | 1,825.90 mi (2,938.50 km) |
| Difficult Run to Woodstock (Georgia) | 517.54 mi (832.91 km) |
| Difficult Run to Woodstock (Illinois) | 626.89 mi (1,008.88 km) |
| Difficult Run to Woodward (Oklahoma) | 1,215.55 mi (1,956.24 km) |
| Difficult Run to Woonsocket (Rhode Island) | 374.54 mi (602.77 km) |
| Difficult Run to Wooster (Ohio) | 276.88 mi (445.59 km) |
| Difficult Run to Worcester (Massachusetts) | 372.23 mi (599.04 km) |
| Difficult Run to World Golf Village (Florida) | 660.81 mi (1,063.47 km) |
| Difficult Run to Worth (Illinois) | 582.65 mi (937.68 km) |
| Difficult Run to Worthington (Minnesota) | 1,000.09 mi (1,609.50 km) |
