| Westmont to Cloverleaf (Texas) | 1,384.08 mi (2,227.47 km) |
| Westmont to Cloverly (Maryland) | 2,300.87 mi (3,702.90 km) |
| Westmont to Clovis (California) | 214.04 mi (344.47 km) |
| Westmont to Clovis (New Mexico) | 863.43 mi (1,389.56 km) |
| Westmont to Clute (Texas) | 1,388.40 mi (2,234.41 km) |
| Westmont to Coachella (California) | 125.13 mi (201.38 km) |
| Westmont to Coalinga (California) | 190.25 mi (306.18 km) |
| Westmont to Coamo (Puerto Rico) | 3,367.66 mi (5,419.72 km) |
| Westmont to Coatesville (Pennsylvania) | 2,359.49 mi (3,797.22 km) |
| Westmont to Cockeysville (Maryland) | 2,318.81 mi (3,731.76 km) |
| Westmont to Cocoa (Florida) | 2,239.56 mi (3,604.22 km) |
| Westmont to Cocoa Beach (Florida) | 2,248.73 mi (3,618.97 km) |
| Westmont to Coconut Creek (Florida) | 2,324.96 mi (3,741.66 km) |
| Westmont to Coeur d'Alene (Idaho) | 954.10 mi (1,535.47 km) |
| Westmont to Cohoes (New York) | 2,461.63 mi (3,961.61 km) |
