| Robstown to Castle Pines (Colorado) | 905.63 mi (1,457.48 km) |
| Robstown to Castle Rock (Colorado) | 900.00 mi (1,448.40 km) |
| Robstown to Castro Valley (California) | 1,567.89 mi (2,523.28 km) |
| Robstown to Catalina Foothills (Arizona) | 848.76 mi (1,365.95 km) |
| Robstown to Cataño (Puerto Rico) | 2,097.92 mi (3,376.27 km) |
| Robstown to Cathedral City (California) | 1,188.61 mi (1,912.88 km) |
| Robstown to Catonsville (Maryland) | 1,436.88 mi (2,312.44 km) |
| Robstown to Cave Spring (Virginia) | 1,214.88 mi (1,955.16 km) |
| Robstown to Cayce (South Carolina) | 1,071.99 mi (1,725.21 km) |
| Robstown to Cayey (Puerto Rico) | 2,105.86 mi (3,389.05 km) |
| Robstown to Cedar City (Utah) | 1,124.62 mi (1,809.90 km) |
| Robstown to Cedar Falls (Iowa) | 1,058.66 mi (1,703.75 km) |
| Robstown to Cedar Hill (Texas) | 333.45 mi (536.64 km) |
| Robstown to Cedar Lake (Indiana) | 1,101.97 mi (1,773.45 km) |
| Robstown to Cedar Mill (Oregon) | 1,841.17 mi (2,963.07 km) |
