| Rio Grande City to Wichita (Kansas) | 786.10 mi (1,265.10 km) |
| Rio Grande City to Wichita Falls (Texas) | 520.32 mi (837.37 km) |
| Rio Grande City to Wickliffe (Ohio) | 1,441.77 mi (2,320.31 km) |
| Rio Grande City to Wildomar (California) | 1,208.78 mi (1,945.35 km) |
| Rio Grande City to Wildwood (Florida) | 1,042.02 mi (1,676.97 km) |
| Rio Grande City to Wildwood (Missouri) | 966.54 mi (1,555.49 km) |
| Rio Grande City to Wilkes-Barre (Pennsylvania) | 1,661.29 mi (2,673.58 km) |
| Rio Grande City to Wilkinsburg (Pennsylvania) | 1,456.44 mi (2,343.92 km) |
| Rio Grande City to Williamsburg (Virginia) | 1,494.83 mi (2,405.69 km) |
| Rio Grande City to Williamsport (Pennsylvania) | 1,609.82 mi (2,590.76 km) |
| Rio Grande City to Williamstown (New Jersey) | 1,650.71 mi (2,656.57 km) |
| Rio Grande City to Willimantic (Connecticut) | 1,843.15 mi (2,966.26 km) |
| Rio Grande City to Williston (North Dakota) | 1,528.59 mi (2,460.03 km) |
| Rio Grande City to Willmar (Minnesota) | 1,311.57 mi (2,110.76 km) |
| Rio Grande City to Willoughby (Ohio) | 1,445.89 mi (2,326.94 km) |
