| Boise to Carlsbad (New Mexico) | 1,010.26 mi (1,625.86 km) |
| Boise to Carmel (Indiana) | 1,561.44 mi (2,512.90 km) |
| Boise to Carmichael (California) | 433.64 mi (697.88 km) |
| Boise to Carney (Maryland) | 2,055.17 mi (3,307.48 km) |
| Boise to Carnot-Moon (Pennsylvania) | 1,845.04 mi (2,969.31 km) |
| Boise to Carol Stream (Illinois) | 1,423.40 mi (2,290.75 km) |
| Boise to Carolina (Puerto Rico) | 3,380.11 mi (5,439.76 km) |
| Boise to Carolina Forest (South Carolina) | 2,103.98 mi (3,386.02 km) |
| Boise to Carpentersville (Illinois) | 1,412.08 mi (2,272.53 km) |
| Boise to Carpinteria (California) | 659.76 mi (1,061.77 km) |
| Boise to Carrboro (North Carolina) | 2,024.37 mi (3,257.90 km) |
| Boise to Carroll (Iowa) | 1,084.69 mi (1,745.65 km) |
| Boise to Carrollton (Georgia) | 1,805.55 mi (2,905.75 km) |
| Boise to Carrollton (Texas) | 1,274.10 mi (2,050.46 km) |
| Boise to Carrollwood (Florida) | 2,151.30 mi (3,462.19 km) |
