| Frederick to Commerce (California) | 2,267.86 mi (3,649.77 km) |
| Frederick to Commerce City (Colorado) | 1,453.76 mi (2,339.60 km) |
| Frederick to Compton (California) | 2,274.52 mi (3,660.48 km) |
| Frederick to Comstock Park (Michigan) | 496.20 mi (798.56 km) |
| Frederick to Concord (California) | 2,381.58 mi (3,832.78 km) |
| Frederick to Concord (Missouri) | 697.57 mi (1,122.63 km) |
| Frederick to Concord (New Hampshire) | 401.17 mi (645.61 km) |
| Frederick to Concord (North Carolina) | 330.42 mi (531.75 km) |
| Frederick to Conneaut (Ohio) | 238.73 mi (384.19 km) |
| Frederick to Connersville (Indiana) | 411.84 mi (662.80 km) |
| Frederick to Conroe (Texas) | 1,198.64 mi (1,929.03 km) |
| Frederick to Converse (Texas) | 1,368.60 mi (2,202.55 km) |
| Frederick to Conway (Arkansas) | 879.68 mi (1,415.71 km) |
| Frederick to Conway (Florida) | 788.07 mi (1,268.28 km) |
| Frederick to Conway (South Carolina) | 396.87 mi (638.70 km) |
