| Rio Grande City to Civril | 6,865.88 mi (11,049.57 km) |
| Rio Grande City to Cizre | 7,359.17 mi (11,843.43 km) |
| Rio Grande City to Cobanlar | 6,886.10 mi (11,082.10 km) |
| Rio Grande City to Corlu | 6,654.80 mi (10,709.86 km) |
| Rio Grande City to Corum | 6,943.55 mi (11,174.57 km) |
| Rio Grande City to Cukurca | 7,409.41 mi (11,924.29 km) |
| Rio Grande City to Cukurcayir | 7,079.26 mi (11,392.97 km) |
| Rio Grande City to Cumayeri | 6,784.83 mi (10,919.13 km) |
| Rio Grande City to Cumra | 7,017.18 mi (11,293.06 km) |
| Rio Grande City to Cungus | 7,215.13 mi (11,611.63 km) |
| Rio Grande City to Dargecit | 7,332.22 mi (11,800.07 km) |
| Rio Grande City to Davutlar | 6,797.40 mi (10,939.36 km) |
| Rio Grande City to Demirozu | 7,128.41 mi (11,472.07 km) |
| Rio Grande City to Demre | 6,975.30 mi (11,225.66 km) |
| Rio Grande City to Denizciler | 7,191.47 mi (11,573.55 km) |
