| Harstad to Cookeville (Tennessee) | 4,195.81 mi (6,752.50 km) |
| Harstad to Coolidge (Arizona) | 4,929.84 mi (7,933.81 km) |
| Harstad to Coon Rapids (Minnesota) | 3,794.69 mi (6,106.96 km) |
| Harstad to Cooper City (Florida) | 4,714.81 mi (7,587.76 km) |
| Harstad to Coos Bay (Oregon) | 4,429.18 mi (7,128.07 km) |
| Harstad to Copiague (New York) | 3,631.62 mi (5,844.53 km) |
| Harstad to Coppell (Texas) | 4,648.95 mi (7,481.76 km) |
| Harstad to Copperas Cove (Texas) | 4,787.31 mi (7,704.43 km) |
| Harstad to Coral Gables (Florida) | 4,736.30 mi (7,622.33 km) |
| Harstad to Coral Springs (Florida) | 4,699.90 mi (7,563.76 km) |
| Harstad to Coral Terrace (Florida) | 4,734.38 mi (7,619.24 km) |
| Harstad to Coralville (Iowa) | 3,978.31 mi (6,402.47 km) |
| Harstad to Coram (New York) | 3,609.46 mi (5,808.86 km) |
| Harstad to Corcoran (California) | 4,851.23 mi (7,807.30 km) |
| Harstad to Cordele (Georgia) | 4,421.28 mi (7,115.36 km) |
