| Rio Grande City to Beeville (Texas) | 154.58 mi (248.77 km) |
| Rio Grande City to Bel Air (Maryland) | 1,581.26 mi (2,544.79 km) |
| Rio Grande City to Bel Air North (Maryland) | 1,580.62 mi (2,543.76 km) |
| Rio Grande City to Bel Air South (Maryland) | 1,581.82 mi (2,545.70 km) |
| Rio Grande City to Belgrade (Montana) | 1,503.20 mi (2,419.16 km) |
| Rio Grande City to Bell (California) | 1,267.02 mi (2,039.07 km) |
| Rio Grande City to Bell Gardens (California) | 1,265.36 mi (2,036.41 km) |
| Rio Grande City to Bella Vista (Arkansas) | 746.47 mi (1,201.32 km) |
| Rio Grande City to Bellair-Meadowbrook Terrace (Florida) | 1,070.94 mi (1,723.50 km) |
| Rio Grande City to Bellaire (Texas) | 307.68 mi (495.16 km) |
| Rio Grande City to Belle Chasse (Louisiana) | 588.25 mi (946.70 km) |
| Rio Grande City to Belle Glade (Florida) | 1,121.56 mi (1,804.97 km) |
| Rio Grande City to Bellefontaine (Ohio) | 1,295.48 mi (2,084.87 km) |
| Rio Grande City to Bellefontaine Neighbors (Missouri) | 989.35 mi (1,592.21 km) |
| Rio Grande City to Belleville (Illinois) | 982.78 mi (1,581.64 km) |
