| Gourock to Camas (Washington) | 4,544.05 mi (7,312.95 km) |
| Gourock to Cambridge (Maryland) | 3,380.39 mi (5,440.22 km) |
| Gourock to Cambridge (Massachusetts) | 3,009.47 mi (4,843.27 km) |
| Gourock to Camden (Arkansas) | 4,262.65 mi (6,860.07 km) |
| Gourock to Camden (New Jersey) | 3,276.10 mi (5,272.37 km) |
| Gourock to Cameron Park (California) | 4,908.01 mi (7,898.68 km) |
| Gourock to Camp Pendleton South (California) | 5,118.32 mi (8,237.15 km) |
| Gourock to Camp Springs (Maryland) | 3,399.86 mi (5,471.54 km) |
| Gourock to Camp Verde (Arizona) | 4,865.84 mi (7,830.82 km) |
| Gourock to Campbell (California) | 5,017.59 mi (8,075.03 km) |
| Gourock to Campbellsville (Kentucky) | 3,789.24 mi (6,098.19 km) |
| Gourock to Campton Hills (Illinois) | 3,669.39 mi (5,905.31 km) |
| Gourock to Canby (Oregon) | 4,570.26 mi (7,355.11 km) |
| Gourock to Candelaria (Puerto Rico) | 4,072.56 mi (6,554.15 km) |
| Gourock to Candler-McAfee (Georgia) | 3,935.33 mi (6,333.30 km) |
