| Hard to Cottage Grove (Oregon) | 5,505.50 mi (8,860.24 km) |
| Hard to Cottage Lake (Washington) | 5,246.79 mi (8,443.89 km) |
| Hard to Cottonwood (Arizona) | 5,710.02 mi (9,189.40 km) |
| Hard to Cottonwood Heights (Utah) | 5,373.54 mi (8,647.87 km) |
| Hard to Council Bluffs (Iowa) | 4,803.88 mi (7,731.09 km) |
| Hard to Country Club (Florida) | 4,918.64 mi (7,915.79 km) |
| Hard to Country Club Hills (Illinois) | 4,485.85 mi (7,219.27 km) |
| Hard to Country Walk (Florida) | 4,939.09 mi (7,948.70 km) |
| Hard to Covina (California) | 5,933.33 mi (9,548.77 km) |
| Hard to Covington (Georgia) | 4,704.04 mi (7,570.43 km) |
| Hard to Covington (Kentucky) | 4,477.44 mi (7,205.74 km) |
| Hard to Covington (Louisiana) | 5,116.44 mi (8,234.11 km) |
| Hard to Covington (Washington) | 5,269.93 mi (8,481.13 km) |
| Hard to Cranston (Rhode Island) | 3,825.46 mi (6,156.49 km) |
| Hard to Crawfordsville (Indiana) | 4,524.69 mi (7,281.78 km) |
