| Rio Grande City to Pike Creek Valley (Delaware) | 1,617.97 mi (2,603.88 km) |
| Rio Grande City to Pikesville (Maryland) | 1,559.77 mi (2,510.21 km) |
| Rio Grande City to Pine Bluff (Arkansas) | 675.98 mi (1,087.88 km) |
| Rio Grande City to Pine Castle (Florida) | 1,078.70 mi (1,736.01 km) |
| Rio Grande City to Pine Hill (New Jersey) | 1,653.50 mi (2,661.05 km) |
| Rio Grande City to Pine Hills (Florida) | 1,073.48 mi (1,727.60 km) |
| Rio Grande City to Pinecrest (Florida) | 1,149.79 mi (1,850.41 km) |
| Rio Grande City to Pinehurst (North Carolina) | 1,296.74 mi (2,086.91 km) |
| Rio Grande City to Pinellas Park (Florida) | 995.46 mi (1,602.04 km) |
| Rio Grande City to Pineville (Louisiana) | 517.49 mi (832.82 km) |
| Rio Grande City to Pineville (North Carolina) | 1,220.15 mi (1,963.64 km) |
| Rio Grande City to Pinewood (Florida) | 1,153.63 mi (1,856.60 km) |
| Rio Grande City to Piney Green (North Carolina) | 1,399.85 mi (2,252.84 km) |
| Rio Grande City to Pinole (California) | 1,582.47 mi (2,546.73 km) |
| Rio Grande City to Piqua (Ohio) | 1,267.04 mi (2,039.10 km) |
