| Gourock to Clarkston (Georgia) | 3,929.69 mi (6,324.23 km) |
| Gourock to Clarksville (Indiana) | 3,754.99 mi (6,043.07 km) |
| Gourock to Clarksville (Tennessee) | 3,902.67 mi (6,280.73 km) |
| Gourock to Clawson (Michigan) | 3,450.47 mi (5,553.00 km) |
| Gourock to Clay (Alabama) | 4,024.83 mi (6,477.35 km) |
| Gourock to Clayton (California) | 4,978.02 mi (8,011.36 km) |
| Gourock to Clayton (Missouri) | 3,905.14 mi (6,284.71 km) |
| Gourock to Clayton (North Carolina) | 3,615.12 mi (5,817.98 km) |
| Gourock to Clayton (Ohio) | 3,624.36 mi (5,832.84 km) |
| Gourock to Clearfield (Utah) | 4,502.81 mi (7,246.57 km) |
| Gourock to Clearlake (California) | 4,937.94 mi (7,946.85 km) |
| Gourock to Clearwater (Florida) | 4,182.11 mi (6,730.46 km) |
| Gourock to Cleburne (Texas) | 4,493.70 mi (7,231.91 km) |
| Gourock to Clemmons (North Carolina) | 3,669.76 mi (5,905.90 km) |
| Gourock to Clemson (South Carolina) | 3,830.58 mi (6,164.72 km) |
