| Monroe to Cadillac (Michigan) | 886.41 mi (1,426.54 km) |
| Monroe to Caguas (Puerto Rico) | 1,893.44 mi (3,047.20 km) |
| Monroe to Cahokia (Illinois) | 431.15 mi (693.88 km) |
| Monroe to Calabasas (California) | 1,534.88 mi (2,470.14 km) |
| Monroe to Caldwell (Idaho) | 1,533.56 mi (2,468.02 km) |
| Monroe to Caledonia (Wisconsin) | 746.26 mi (1,201.00 km) |
| Monroe to Calera (Alabama) | 312.41 mi (502.78 km) |
| Monroe to Calexico (California) | 1,360.29 mi (2,189.17 km) |
| Monroe to Calhoun (Georgia) | 433.16 mi (697.10 km) |
| Monroe to California (Maryland) | 962.39 mi (1,548.82 km) |
| Monroe to California City (California) | 1,487.34 mi (2,393.64 km) |
| Monroe to Callaway (Florida) | 418.50 mi (673.51 km) |
| Monroe to Calumet City (Illinois) | 675.87 mi (1,087.71 km) |
| Monroe to Calverton (Maryland) | 959.00 mi (1,543.36 km) |
| Monroe to Camano (Washington) | 1,912.27 mi (3,077.50 km) |
