| | Escobares city | 4824552 | Starr County 48427 | TX | Rio Grande City-Roma, TX 40100 | McAllen-Edinburg, TX 365 | | https://maps.google.com/?q=Escobarescity+TX |
| | La Grulla city | 4840288 | Starr County 48427 | TX | Rio Grande City-Roma, TX 40100 | McAllen-Edinburg, TX 365 | | https://maps.google.com/?q=LaGrullacity+TX |
| | Rio Grande City city | 4862168 | Starr County 48427 | TX | Rio Grande City-Roma, TX 40100 | McAllen-Edinburg, TX 365 | Y | https://maps.google.com/?q=RioGrandeCitycity+TX |
| | Roma city | 4863020 | Starr County 48427 | TX | Rio Grande City-Roma, TX 40100 | McAllen-Edinburg, TX 365 | Y | https://maps.google.com/?q=Romacity+TX |