| Hard to Columbia (Illinois) | 4,728.90 mi (7,610.43 km) |
| Hard to Columbia (Maryland) | 4,157.36 mi (6,690.62 km) |
| Hard to Columbia (Missouri) | 4,786.11 mi (7,702.50 km) |
| Hard to Columbia (Pennsylvania) | 4,106.16 mi (6,608.23 km) |
| Hard to Columbia (South Carolina) | 4,559.84 mi (7,338.35 km) |
| Hard to Columbia (Tennessee) | 4,739.65 mi (7,627.74 km) |
| Hard to Columbia Heights (Minnesota) | 4,525.15 mi (7,282.52 km) |
| Hard to Columbine (Colorado) | 5,211.30 mi (8,386.77 km) |
| Hard to Columbus (Georgia) | 4,799.46 mi (7,723.99 km) |
| Hard to Columbus (Indiana) | 4,525.04 mi (7,282.35 km) |
| Hard to Columbus (Mississippi) | 4,897.23 mi (7,881.34 km) |
| Hard to Columbus (Nebraska) | 4,847.84 mi (7,801.84 km) |
| Hard to Columbus (Ohio) | 4,372.68 mi (7,037.16 km) |
| Hard to Commack (New York) | 3,938.37 mi (6,338.20 km) |
| Hard to Commerce (California) | 5,947.10 mi (9,570.93 km) |
