| Howard to Commerce (California) | 1,752.66 mi (2,820.64 km) |
| Howard to Commerce City (Colorado) | 914.65 mi (1,471.99 km) |
| Howard to Compton (California) | 1,760.22 mi (2,832.80 km) |
| Howard to Comstock Park (Michigan) | 160.06 mi (257.60 km) |
| Howard to Concord (California) | 1,804.79 mi (2,904.52 km) |
| Howard to Concord (Missouri) | 434.63 mi (699.47 km) |
| Howard to Concord (New Hampshire) | 826.86 mi (1,330.70 km) |
| Howard to Concord (North Carolina) | 746.14 mi (1,200.80 km) |
| Howard to Conneaut (Ohio) | 420.17 mi (676.20 km) |
| Howard to Connersville (Indiana) | 371.52 mi (597.90 km) |
| Howard to Conroe (Texas) | 1,063.39 mi (1,711.36 km) |
| Howard to Converse (Texas) | 1,181.12 mi (1,900.84 km) |
| Howard to Conway (Arkansas) | 695.65 mi (1,119.54 km) |
| Howard to Conway (Florida) | 1,171.22 mi (1,884.89 km) |
| Howard to Conway (South Carolina) | 884.39 mi (1,423.29 km) |
