| Seal Beach to Clarksdale (Mississippi) | 1,571.32 mi (2,528.80 km) |
| Seal Beach to Clarkston (Georgia) | 1,933.89 mi (3,112.30 km) |
| Seal Beach to Clarksville (Indiana) | 1,822.70 mi (2,933.35 km) |
| Seal Beach to Clarksville (Tennessee) | 1,739.26 mi (2,799.07 km) |
| Seal Beach to Clawson (Michigan) | 1,976.21 mi (3,180.41 km) |
| Seal Beach to Clay (Alabama) | 1,800.88 mi (2,898.23 km) |
| Seal Beach to Clayton (California) | 360.97 mi (580.93 km) |
| Seal Beach to Clayton (Missouri) | 1,576.78 mi (2,537.59 km) |
| Seal Beach to Clayton (North Carolina) | 2,239.14 mi (3,603.54 km) |
| Seal Beach to Clayton (Ohio) | 1,901.75 mi (3,060.57 km) |
| Seal Beach to Clearfield (Utah) | 606.19 mi (975.56 km) |
| Seal Beach to Clearlake (California) | 440.02 mi (708.14 km) |
| Seal Beach to Clearwater (Florida) | 2,121.14 mi (3,413.64 km) |
| Seal Beach to Cleburne (Texas) | 1,198.09 mi (1,928.14 km) |
| Seal Beach to Clemmons (North Carolina) | 2,128.22 mi (3,425.04 km) |
