| Robstown to Candler-McAfee (Georgia) | 893.75 mi (1,438.35 km) |
| Robstown to Caño Martin Peña (Puerto Rico) | 2,103.70 mi (3,385.57 km) |
| Robstown to Cañon City (Colorado) | 854.97 mi (1,375.94 km) |
| Robstown to Canóvanas (Puerto Rico) | 2,114.40 mi (3,402.80 km) |
| Robstown to Canton (Georgia) | 897.61 mi (1,444.57 km) |
| Robstown to Canton (Illinois) | 983.13 mi (1,582.20 km) |
| Robstown to Canton (Mississippi) | 563.78 mi (907.32 km) |
| Robstown to Canton (Ohio) | 1,289.74 mi (2,075.63 km) |
| Robstown to Canyon (Texas) | 556.71 mi (895.93 km) |
| Robstown to Canyon Lake (California) | 1,230.33 mi (1,980.02 km) |
| Robstown to Canyon Lake (Texas) | 148.25 mi (238.59 km) |
| Robstown to Cape Coral (Florida) | 965.63 mi (1,554.02 km) |
| Robstown to Cape Girardeau (Missouri) | 808.82 mi (1,301.66 km) |
| Robstown to Carbondale (Illinois) | 842.54 mi (1,355.94 km) |
| Robstown to Carlisle (Pennsylvania) | 1,446.30 mi (2,327.59 km) |
