| Rio Grande City to Palmetto (Florida) | 1,003.00 mi (1,614.17 km) |
| Rio Grande City to Palmetto Bay (Florida) | 1,149.03 mi (1,849.18 km) |
| Rio Grande City to Palmetto Estates (Florida) | 1,146.59 mi (1,845.26 km) |
| Rio Grande City to Palmview (Texas) | 29.09 mi (46.81 km) |
| Rio Grande City to Palo Alto (California) | 1,559.32 mi (2,509.48 km) |
| Rio Grande City to Palos Heights (Illinois) | 1,227.88 mi (1,976.07 km) |
| Rio Grande City to Palos Hills (Illinois) | 1,228.98 mi (1,977.86 km) |
| Rio Grande City to Palos Verdes Estates (California) | 1,274.52 mi (2,051.13 km) |
| Rio Grande City to Pampa (Texas) | 645.94 mi (1,039.53 km) |
| Rio Grande City to Panama City (Florida) | 845.91 mi (1,361.36 km) |
| Rio Grande City to Panama City Beach (Florida) | 830.61 mi (1,336.74 km) |
| Rio Grande City to Papillion (Nebraska) | 1,032.57 mi (1,661.75 km) |
| Rio Grande City to Paradise (Nevada) | 1,171.46 mi (1,885.28 km) |
| Rio Grande City to Paradise Valley (Arizona) | 927.96 mi (1,493.40 km) |
| Rio Grande City to Paragould (Arkansas) | 828.51 mi (1,333.35 km) |
