| Gourock to Centralia (Illinois) | 3,867.67 mi (6,224.41 km) |
| Gourock to Centralia (Washington) | 4,493.07 mi (7,230.90 km) |
| Gourock to Centreville (Virginia) | 3,417.85 mi (5,500.49 km) |
| Gourock to Ceres (California) | 4,970.48 mi (7,999.21 km) |
| Gourock to Cerritos (California) | 5,102.18 mi (8,211.17 km) |
| Gourock to Chalco (Nebraska) | 3,979.48 mi (6,404.35 km) |
| Gourock to Chalmette (Louisiana) | 4,350.10 mi (7,000.80 km) |
| Gourock to Chambersburg (Pennsylvania) | 3,372.64 mi (5,427.73 km) |
| Gourock to Chamblee (Georgia) | 3,928.20 mi (6,321.82 km) |
| Gourock to Champaign (Illinois) | 3,756.05 mi (6,044.78 km) |
| Gourock to Champlin (Minnesota) | 3,683.46 mi (5,927.95 km) |
| Gourock to Chandler (Arizona) | 4,938.95 mi (7,948.48 km) |
| Gourock to Chanhassen (Minnesota) | 3,704.95 mi (5,962.54 km) |
| Gourock to Channahon (Illinois) | 3,690.08 mi (5,938.60 km) |
| Gourock to Channelview (Texas) | 4,549.66 mi (7,321.97 km) |
