| Westmont to Somerset (New Jersey) | 2,426.68 mi (3,905.36 km) |
| Westmont to Somersworth (New Hampshire) | 2,603.31 mi (4,189.62 km) |
| Westmont to Somerton (Arizona) | 227.78 mi (366.57 km) |
| Westmont to Somerville (Massachusetts) | 2,595.04 mi (4,176.31 km) |
| Westmont to Somerville (New Jersey) | 2,420.75 mi (3,895.82 km) |
| Westmont to Sonoma (California) | 379.55 mi (610.82 km) |
| Westmont to Soquel (California) | 294.38 mi (473.76 km) |
| Westmont to South Bend (Indiana) | 1,816.49 mi (2,923.35 km) |
| Westmont to South Bradenton (Florida) | 2,157.48 mi (3,472.13 km) |
| Westmont to South Burlington (Vermont) | 2,486.32 mi (4,001.35 km) |
| Westmont to South Charleston (West Virginia) | 2,050.38 mi (3,299.77 km) |
| Westmont to South Daytona (Florida) | 2,208.41 mi (3,554.10 km) |
| Westmont to South El Monte (California) | 16.31 mi (26.25 km) |
| Westmont to South Elgin (Illinois) | 1,715.17 mi (2,760.30 km) |
| Westmont to South Euclid (Ohio) | 2,060.01 mi (3,315.26 km) |
