| Preakness to Clarksdale (Mississippi) | 1,006.93 mi (1,620.51 km) |
| Preakness to Clarkston (Georgia) | 737.25 mi (1,186.50 km) |
| Preakness to Clarksville (Indiana) | 639.74 mi (1,029.56 km) |
| Preakness to Clarksville (Tennessee) | 767.52 mi (1,235.21 km) |
| Preakness to Clawson (Michigan) | 473.03 mi (761.27 km) |
| Preakness to Clay (Alabama) | 843.34 mi (1,357.23 km) |
| Preakness to Clayton (California) | 2,522.42 mi (4,059.44 km) |
| Preakness to Clayton (Missouri) | 868.32 mi (1,397.43 km) |
| Preakness to Clayton (North Carolina) | 430.62 mi (693.01 km) |
| Preakness to Clayton (Ohio) | 536.47 mi (863.36 km) |
| Preakness to Clearfield (Utah) | 1,954.75 mi (3,145.86 km) |
| Preakness to Clearlake (California) | 2,534.75 mi (4,079.28 km) |
| Preakness to Clearwater (Florida) | 1,017.72 mi (1,637.86 km) |
| Preakness to Cleburne (Texas) | 1,409.95 mi (2,269.09 km) |
| Preakness to Clemmons (North Carolina) | 475.12 mi (764.64 km) |
