| Westmont to Cibolo (Texas) | 1,216.26 mi (1,957.38 km) |
| Westmont to Cicero (Illinois) | 1,741.83 mi (2,803.21 km) |
| Westmont to Cimarron Hills (Colorado) | 828.14 mi (1,332.76 km) |
| Westmont to Cincinnati (Ohio) | 1,898.78 mi (3,055.79 km) |
| Westmont to Cinco Ranch (Texas) | 1,351.59 mi (2,175.17 km) |
| Westmont to Circleville (Ohio) | 1,982.89 mi (3,191.15 km) |
| Westmont to Citrus (California) | 26.52 mi (42.69 km) |
| Westmont to Citrus Heights (California) | 368.03 mi (592.29 km) |
| Westmont to Citrus Park (Florida) | 2,143.85 mi (3,450.19 km) |
| Westmont to Claiborne (Louisiana) | 1,507.56 mi (2,426.18 km) |
| Westmont to Claremont (California) | 35.91 mi (57.80 km) |
| Westmont to Claremont (New Hampshire) | 2,530.15 mi (4,071.89 km) |
| Westmont to Claremore (Oklahoma) | 1,289.75 mi (2,075.66 km) |
| Westmont to Clarksburg (Maryland) | 2,286.06 mi (3,679.06 km) |
| Westmont to Clarksburg (West Virginia) | 2,122.50 mi (3,415.83 km) |
