| Gunbarrel to Cadillac (Michigan) | 1,049.44 mi (1,688.91 km) |
| Gunbarrel to Caguas (Puerto Rico) | 2,768.76 mi (4,455.89 km) |
| Gunbarrel to Cahokia (Illinois) | 807.09 mi (1,298.89 km) |
| Gunbarrel to Calabasas (California) | 847.72 mi (1,364.27 km) |
| Gunbarrel to Caldwell (Idaho) | 640.22 mi (1,030.34 km) |
| Gunbarrel to Caledonia (Wisconsin) | 913.91 mi (1,470.80 km) |
| Gunbarrel to Calera (Alabama) | 1,126.06 mi (1,812.22 km) |
| Gunbarrel to Calexico (California) | 766.93 mi (1,234.25 km) |
| Gunbarrel to Calhoun (Georgia) | 1,173.95 mi (1,889.29 km) |
| Gunbarrel to California (Maryland) | 1,534.06 mi (2,468.83 km) |
| Gunbarrel to California City (California) | 772.38 mi (1,243.03 km) |
| Gunbarrel to Callaway (Florida) | 1,299.36 mi (2,091.12 km) |
| Gunbarrel to Calumet City (Illinois) | 925.66 mi (1,489.71 km) |
| Gunbarrel to Calverton (Maryland) | 1,498.65 mi (2,411.85 km) |
| Gunbarrel to Camano (Washington) | 1,021.64 mi (1,644.17 km) |
