| Gourock to Coldwater (Michigan) | 3,546.40 mi (5,707.38 km) |
| Gourock to Colesville (Maryland) | 3,389.80 mi (5,455.35 km) |
| Gourock to College (Alaska) | 3,864.14 mi (6,218.73 km) |
| Gourock to College Park (Georgia) | 3,947.27 mi (6,352.52 km) |
| Gourock to College Park (Maryland) | 3,391.02 mi (5,457.32 km) |
| Gourock to College Station (Texas) | 4,549.63 mi (7,321.93 km) |
| Gourock to Collegedale (Tennessee) | 3,895.67 mi (6,269.48 km) |
| Gourock to Colleyville (Texas) | 4,455.08 mi (7,169.76 km) |
| Gourock to Collierville (Tennessee) | 4,068.79 mi (6,548.09 km) |
| Gourock to Collinsville (Illinois) | 3,891.76 mi (6,263.18 km) |
| Gourock to Colonia (New Jersey) | 3,214.53 mi (5,173.29 km) |
| Gourock to Colonial Heights (Virginia) | 3,494.21 mi (5,623.39 km) |
| Gourock to Colonial Park (Pennsylvania) | 3,322.87 mi (5,347.64 km) |
| Gourock to Colorado Springs (Colorado) | 4,394.11 mi (7,071.64 km) |
| Gourock to Colton (California) | 5,068.45 mi (8,156.88 km) |
