| Middlesex to Wanaque (New Jersey) | 34.27 mi (55.16 km) |
| Middlesex to Wantagh (New York) | 52.36 mi (84.27 km) |
| Middlesex to Warner Robins (Georgia) | 748.57 mi (1,204.71 km) |
| Middlesex to Warr Acres (Oklahoma) | 1,300.91 mi (2,093.62 km) |
| Middlesex to Warren (Michigan) | 460.23 mi (740.67 km) |
| Middlesex to Warren (Ohio) | 332.94 mi (535.81 km) |
| Middlesex to Warrensburg (Missouri) | 1,028.02 mi (1,654.44 km) |
| Middlesex to Warrensville Heights (Ohio) | 370.79 mi (596.73 km) |
| Middlesex to Warrenville (Illinois) | 715.86 mi (1,152.07 km) |
| Middlesex to Warrington (Florida) | 1,004.86 mi (1,617.17 km) |
| Middlesex to Warsaw (Indiana) | 593.80 mi (955.63 km) |
| Middlesex to Warwick (Rhode Island) | 177.74 mi (286.04 km) |
| Middlesex to Wasco (California) | 2,437.61 mi (3,922.96 km) |
| Middlesex to Washington (District of Columbia) | 176.53 mi (284.09 km) |
| Middlesex to Washington (Illinois) | 782.03 mi (1,258.56 km) |
