| Difficult Run to Cottage Grove (Minnesota) | 897.83 mi (1,444.92 km) |
| Difficult Run to Cottage Grove (Oregon) | 2,364.45 mi (3,805.22 km) |
| Difficult Run to Cottage Lake (Washington) | 2,295.15 mi (3,693.69 km) |
| Difficult Run to Cottonwood (Arizona) | 1,926.92 mi (3,101.07 km) |
| Difficult Run to Cottonwood Heights (Utah) | 1,822.88 mi (2,933.64 km) |
| Difficult Run to Council Bluffs (Iowa) | 989.68 mi (1,592.74 km) |
| Difficult Run to Country Club (Florida) | 911.88 mi (1,467.53 km) |
| Difficult Run to Country Club Hills (Illinois) | 577.05 mi (928.67 km) |
| Difficult Run to Country Walk (Florida) | 934.18 mi (1,503.42 km) |
| Difficult Run to Covina (California) | 2,257.18 mi (3,632.59 km) |
| Difficult Run to Covington (Georgia) | 514.56 mi (828.10 km) |
| Difficult Run to Covington (Kentucky) | 385.16 mi (619.85 km) |
| Difficult Run to Covington (Louisiana) | 928.11 mi (1,493.65 km) |
| Difficult Run to Covington (Washington) | 2,297.27 mi (3,697.09 km) |
| Difficult Run to Cranston (Rhode Island) | 366.56 mi (589.92 km) |
