| Westbrook to Cadillac (Michigan) | 748.90 mi (1,205.24 km) |
| Westbrook to Caguas (Puerto Rico) | 1,777.20 mi (2,860.12 km) |
| Westbrook to Cahokia (Illinois) | 1,087.76 mi (1,750.58 km) |
| Westbrook to Calabasas (California) | 2,640.61 mi (4,249.66 km) |
| Westbrook to Caldwell (Idaho) | 2,283.25 mi (3,674.54 km) |
| Westbrook to Caledonia (Wisconsin) | 882.39 mi (1,420.07 km) |
| Westbrook to Calera (Alabama) | 1,145.56 mi (1,843.61 km) |
| Westbrook to Calexico (California) | 2,532.25 mi (4,075.26 km) |
| Westbrook to Calhoun (Georgia) | 1,005.43 mi (1,618.08 km) |
| Westbrook to California (Maryland) | 491.32 mi (790.70 km) |
| Westbrook to California City (California) | 2,567.09 mi (4,131.34 km) |
| Westbrook to Callaway (Florida) | 1,254.11 mi (2,018.29 km) |
| Westbrook to Calumet City (Illinois) | 883.94 mi (1,422.57 km) |
| Westbrook to Calverton (Maryland) | 468.31 mi (753.67 km) |
| Westbrook to Camano (Washington) | 2,474.75 mi (3,982.72 km) |
