| Rio Grande City to Newport Beach (California) | 1,241.82 mi (1,998.52 km) |
| Rio Grande City to Newport East (Rhode Island) | 1,880.02 mi (3,025.59 km) |
| Rio Grande City to Newport News (Virginia) | 1,499.85 mi (2,413.77 km) |
| Rio Grande City to Newton (Iowa) | 1,108.05 mi (1,783.23 km) |
| Rio Grande City to Newton (Kansas) | 809.93 mi (1,303.46 km) |
| Rio Grande City to Newton (Massachusetts) | 1,908.17 mi (3,070.90 km) |
| Rio Grande City to Newton (North Carolina) | 1,220.08 mi (1,963.53 km) |
| Rio Grande City to Niagara Falls (New York) | 1,603.69 mi (2,580.89 km) |
| Rio Grande City to Niceville (Florida) | 802.32 mi (1,291.20 km) |
| Rio Grande City to Nicholasville (Kentucky) | 1,149.72 mi (1,850.29 km) |
| Rio Grande City to Niles (Illinois) | 1,248.37 mi (2,009.06 km) |
| Rio Grande City to Niles (Michigan) | 1,284.30 mi (2,066.88 km) |
| Rio Grande City to Niles (Ohio) | 1,451.34 mi (2,335.71 km) |
| Rio Grande City to Nipomo (California) | 1,415.58 mi (2,278.15 km) |
| Rio Grande City to Nixa (Missouri) | 804.83 mi (1,295.24 km) |
