| Boise to Clermont (Florida) | 2,168.69 mi (3,490.16 km) |
| Boise to Cleveland (Mississippi) | 1,526.53 mi (2,456.72 km) |
| Boise to Cleveland (Ohio) | 1,752.34 mi (2,820.12 km) |
| Boise to Cleveland (Tennessee) | 1,760.29 mi (2,832.91 km) |
| Boise to Cleveland Heights (Ohio) | 1,757.46 mi (2,828.36 km) |
| Boise to Cliffside Park (New Jersey) | 2,146.95 mi (3,455.19 km) |
| Boise to Clifton (Colorado) | 509.71 mi (820.30 km) |
| Boise to Clifton (New Jersey) | 2,137.66 mi (3,440.22 km) |
| Boise to Clinton (Iowa) | 1,319.38 mi (2,123.33 km) |
| Boise to Clinton (Maryland) | 2,052.82 mi (3,303.69 km) |
| Boise to Clinton (Mississippi) | 1,600.34 mi (2,575.50 km) |
| Boise to Clinton (Utah) | 272.19 mi (438.05 km) |
| Boise to Clive (Iowa) | 1,145.46 mi (1,843.44 km) |
| Boise to Cloquet (Minnesota) | 1,171.76 mi (1,885.76 km) |
| Boise to Cloverleaf (Texas) | 1,499.57 mi (2,413.32 km) |
