| Gourock to Caño Martin Peña (Puerto Rico) | 4,064.78 mi (6,541.62 km) |
| Gourock to Cañon City (Colorado) | 4,432.49 mi (7,133.40 km) |
| Gourock to Canóvanas (Puerto Rico) | 4,062.63 mi (6,538.18 km) |
| Gourock to Canton (Georgia) | 3,916.46 mi (6,302.94 km) |
| Gourock to Canton (Illinois) | 3,796.95 mi (6,110.61 km) |
| Gourock to Canton (Mississippi) | 4,210.49 mi (6,776.13 km) |
| Gourock to Canton (Ohio) | 3,468.72 mi (5,582.36 km) |
| Gourock to Canyon (Texas) | 4,509.26 mi (7,256.96 km) |
| Gourock to Canyon Lake (California) | 5,087.74 mi (8,187.92 km) |
| Gourock to Canyon Lake (Texas) | 4,659.96 mi (7,499.48 km) |
| Gourock to Cape Coral (Florida) | 4,224.56 mi (6,798.77 km) |
| Gourock to Cape Girardeau (Missouri) | 3,945.85 mi (6,350.23 km) |
| Gourock to Carbondale (Illinois) | 3,912.39 mi (6,296.38 km) |
| Gourock to Carlisle (Pennsylvania) | 3,342.58 mi (5,379.37 km) |
| Gourock to Carlsbad (California) | 5,121.23 mi (8,241.82 km) |
