| Harstad to Clarkston (Georgia) | 4,314.57 mi (6,943.63 km) |
| Harstad to Clarksville (Indiana) | 4,064.53 mi (6,541.22 km) |
| Harstad to Clarksville (Tennessee) | 4,210.29 mi (6,775.81 km) |
| Harstad to Clawson (Michigan) | 3,742.48 mi (6,022.93 km) |
| Harstad to Clay (Alabama) | 4,376.03 mi (7,042.55 km) |
| Harstad to Clayton (California) | 4,761.65 mi (7,663.14 km) |
| Harstad to Clayton (Missouri) | 4,144.48 mi (6,669.89 km) |
| Harstad to Clayton (North Carolina) | 4,063.11 mi (6,538.94 km) |
| Harstad to Clayton (Ohio) | 3,935.19 mi (6,333.08 km) |
| Harstad to Clearfield (Utah) | 4,401.33 mi (7,083.25 km) |
| Harstad to Clearlake (California) | 4,703.35 mi (7,569.32 km) |
| Harstad to Clearwater (Florida) | 4,650.61 mi (7,484.43 km) |
| Harstad to Cleburne (Texas) | 4,696.96 mi (7,559.03 km) |
| Harstad to Clemmons (North Carolina) | 4,085.24 mi (6,574.56 km) |
| Harstad to Clemson (South Carolina) | 4,226.51 mi (6,801.91 km) |
