| Gig Harbor to Cadillac (Michigan) | 1,786.61 mi (2,875.28 km) |
| Gig Harbor to Caguas (Puerto Rico) | 3,745.66 mi (6,028.06 km) |
| Gig Harbor to Cahokia (Illinois) | 1,732.72 mi (2,788.54 km) |
| Gig Harbor to Calabasas (California) | 934.44 mi (1,503.84 km) |
| Gig Harbor to Caldwell (Idaho) | 384.11 mi (618.16 km) |
| Gig Harbor to Caledonia (Wisconsin) | 1,708.33 mi (2,749.30 km) |
| Gig Harbor to Calera (Alabama) | 2,105.46 mi (3,388.40 km) |
| Gig Harbor to Calexico (California) | 1,078.61 mi (1,735.86 km) |
| Gig Harbor to Calhoun (Georgia) | 2,130.76 mi (3,429.13 km) |
| Gig Harbor to California (Maryland) | 2,381.09 mi (3,831.99 km) |
| Gig Harbor to California City (California) | 876.00 mi (1,409.79 km) |
| Gig Harbor to Callaway (Florida) | 2,292.12 mi (3,688.81 km) |
| Gig Harbor to Calumet City (Illinois) | 1,756.66 mi (2,827.07 km) |
| Gig Harbor to Calverton (Maryland) | 2,333.69 mi (3,755.70 km) |
| Gig Harbor to Camano (Washington) | 59.11 mi (95.12 km) |
