| Howard to Cordele (Georgia) | 902.19 mi (1,451.94 km) |
| Howard to Corinth (Mississippi) | 665.25 mi (1,070.62 km) |
| Howard to Corinth (Texas) | 924.16 mi (1,487.30 km) |
| Howard to Cornelius (North Carolina) | 734.65 mi (1,182.30 km) |
| Howard to Cornelius (Oregon) | 1,694.32 mi (2,726.74 km) |
| Howard to Corning (New York) | 578.63 mi (931.22 km) |
| Howard to Corona (California) | 1,729.89 mi (2,783.99 km) |
| Howard to Coronado (California) | 1,758.49 mi (2,830.02 km) |
| Howard to Corpus Christi (Texas) | 1,271.86 mi (2,046.86 km) |
| Howard to Corsicana (Texas) | 973.65 mi (1,566.94 km) |
| Howard to Cortland (New York) | 611.02 mi (983.34 km) |
| Howard to Corvallis (Oregon) | 1,718.24 mi (2,765.24 km) |
| Howard to Coshocton (Ohio) | 435.75 mi (701.27 km) |
| Howard to Costa Mesa (California) | 1,754.02 mi (2,822.83 km) |
| Howard to Coto de Caza (California) | 1,741.24 mi (2,802.26 km) |
