How many calories does a footlong chicken sub have?
                                
                                
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                                    4 min read                                
                            
                                According to nutrition data, a basic footlong oven-roasted chicken sub from a popular fast-food chain can have as few as 630 calories before adding cheese or sauces. The final calorie count, however, can easily increase to over 900 depending on your choices of bread, cheese, and condiments.