| Harrow to Clarkston (Georgia) | 4,187.00 mi (6,738.32 km) |
| Harrow to Clarksville (Indiana) | 4,031.44 mi (6,487.98 km) |
| Harrow to Clarksville (Tennessee) | 4,177.63 mi (6,723.25 km) |
| Harrow to Clawson (Michigan) | 3,734.60 mi (6,010.25 km) |
| Harrow to Clay (Alabama) | 4,288.71 mi (6,902.01 km) |
| Harrow to Clayton (California) | 5,319.66 mi (8,561.17 km) |
| Harrow to Clayton (Missouri) | 4,193.75 mi (6,749.18 km) |
| Harrow to Clayton (North Carolina) | 3,861.38 mi (6,214.29 km) |
| Harrow to Clayton (Ohio) | 3,902.27 mi (6,280.10 km) |
| Harrow to Clearfield (Utah) | 4,836.01 mi (7,782.81 km) |
| Harrow to Clearlake (California) | 5,281.12 mi (8,499.15 km) |
| Harrow to Clearwater (Florida) | 4,414.75 mi (7,104.86 km) |
| Harrow to Cleburne (Texas) | 4,782.82 mi (7,697.21 km) |
| Harrow to Clemmons (North Carolina) | 3,923.35 mi (6,314.02 km) |
| Harrow to Clemson (South Carolina) | 4,086.60 mi (6,576.75 km) |
