| Gardner to Clarksdale (Mississippi) | 400.43 mi (644.43 km) |
| Gardner to Clarkston (Georgia) | 687.36 mi (1,106.20 km) |
| Gardner to Clarksville (Indiana) | 495.81 mi (797.92 km) |
| Gardner to Clarksville (Tennessee) | 442.61 mi (712.31 km) |
| Gardner to Clawson (Michigan) | 667.90 mi (1,074.88 km) |
| Gardner to Clay (Alabama) | 582.51 mi (937.46 km) |
| Gardner to Clayton (California) | 1,458.54 mi (2,347.29 km) |
| Gardner to Clayton (Missouri) | 248.04 mi (399.18 km) |
| Gardner to Clayton (North Carolina) | 930.81 mi (1,498.00 km) |
| Gardner to Clayton (Ohio) | 570.67 mi (918.41 km) |
| Gardner to Clearfield (Utah) | 917.62 mi (1,476.76 km) |
| Gardner to Clearlake (California) | 1,484.30 mi (2,388.76 km) |
| Gardner to Clearwater (Florida) | 1,024.09 mi (1,648.11 km) |
| Gardner to Cleburne (Texas) | 467.36 mi (752.14 km) |
| Gardner to Clemmons (North Carolina) | 819.74 mi (1,319.24 km) |
