| Boerne to Castle Rock (Colorado) | 748.23 mi (1,204.15 km) |
| Boerne to Castro Valley (California) | 1,443.03 mi (2,322.32 km) |
| Boerne to Catalina Foothills (Arizona) | 739.81 mi (1,190.61 km) |
| Boerne to Cataño (Puerto Rico) | 2,189.96 mi (3,524.40 km) |
| Boerne to Cathedral City (California) | 1,076.71 mi (1,732.80 km) |
| Boerne to Catonsville (Maryland) | 1,407.34 mi (2,264.90 km) |
| Boerne to Cave Spring (Virginia) | 1,191.96 mi (1,918.27 km) |
| Boerne to Cayce (South Carolina) | 1,075.34 mi (1,730.59 km) |
| Boerne to Cayey (Puerto Rico) | 2,199.11 mi (3,539.12 km) |
| Boerne to Cedar City (Utah) | 987.74 mi (1,589.62 km) |
| Boerne to Cedar Falls (Iowa) | 946.27 mi (1,522.87 km) |
| Boerne to Cedar Hill (Texas) | 219.71 mi (353.59 km) |
| Boerne to Cedar Lake (Indiana) | 1,019.47 mi (1,640.68 km) |
| Boerne to Cedar Mill (Oregon) | 1,696.38 mi (2,730.06 km) |
| Boerne to Cedar Park (Texas) | 73.94 mi (119.00 km) |
