| McHenry to Cadillac (Michigan) | 195.82 mi (315.15 km) |
| McHenry to Caguas (Puerto Rico) | 2,116.22 mi (3,405.72 km) |
| McHenry to Cahokia (Illinois) | 278.94 mi (448.91 km) |
| McHenry to Calabasas (California) | 1,732.19 mi (2,787.69 km) |
| McHenry to Caldwell (Idaho) | 1,429.43 mi (2,300.45 km) |
| McHenry to Caledonia (Wisconsin) | 38.21 mi (61.49 km) |
| McHenry to Calera (Alabama) | 642.14 mi (1,033.43 km) |
| McHenry to Calexico (California) | 1,623.94 mi (2,613.47 km) |
| McHenry to Calhoun (Georgia) | 571.69 mi (920.05 km) |
| McHenry to California (Maryland) | 680.61 mi (1,095.34 km) |
| McHenry to California City (California) | 1,659.67 mi (2,670.98 km) |
| McHenry to Callaway (Florida) | 856.74 mi (1,378.80 km) |
| McHenry to Calumet City (Illinois) | 62.98 mi (101.36 km) |
| McHenry to Calverton (Maryland) | 635.40 mi (1,022.57 km) |
| McHenry to Camano (Washington) | 1,695.40 mi (2,728.49 km) |
