| Westmont to Carrollwood (Florida) | 2,146.96 mi (3,455.20 km) |
| Westmont to Carson (California) | 7.67 mi (12.35 km) |
| Westmont to Carson City (Nevada) | 368.76 mi (593.46 km) |
| Westmont to Carteret (New Jersey) | 2,440.63 mi (3,927.82 km) |
| Westmont to Cartersville (Georgia) | 1,909.06 mi (3,072.34 km) |
| Westmont to Carthage (Missouri) | 1,362.41 mi (2,192.59 km) |
| Westmont to Cary (Illinois) | 1,720.87 mi (2,769.48 km) |
| Westmont to Cary (North Carolina) | 2,226.86 mi (3,583.79 km) |
| Westmont to Casa de Oro-Mount Helix (California) | 111.98 mi (180.21 km) |
| Westmont to Casa Grande (Arizona) | 383.75 mi (617.58 km) |
| Westmont to Casas Adobes (Arizona) | 435.90 mi (701.52 km) |
| Westmont to Cascades (Virginia) | 2,280.42 mi (3,669.98 km) |
| Westmont to Casper (Wyoming) | 892.24 mi (1,435.92 km) |
| Westmont to Casselberry (Florida) | 2,201.41 mi (3,542.83 km) |
| Westmont to Castaic (California) | 41.81 mi (67.28 km) |
