| Sulmona to Cookeville (Tennessee) | 5,025.66 mi (8,088.02 km) |
| Sulmona to Coolidge (Arizona) | 6,207.85 mi (9,990.57 km) |
| Sulmona to Coon Rapids (Minnesota) | 4,929.21 mi (7,932.80 km) |
| Sulmona to Cooper City (Florida) | 5,238.20 mi (8,430.07 km) |
| Sulmona to Coos Bay (Oregon) | 5,989.06 mi (9,638.46 km) |
| Sulmona to Copiague (New York) | 4,313.48 mi (6,941.87 km) |
| Sulmona to Coppell (Texas) | 5,654.38 mi (9,099.85 km) |
| Sulmona to Copperas Cove (Texas) | 5,783.48 mi (9,307.61 km) |
| Sulmona to Coral Gables (Florida) | 5,252.79 mi (8,453.54 km) |
| Sulmona to Coral Springs (Florida) | 5,226.94 mi (8,411.94 km) |
| Sulmona to Coral Terrace (Florida) | 5,252.47 mi (8,453.03 km) |
| Sulmona to Coralville (Iowa) | 5,024.03 mi (8,085.39 km) |
| Sulmona to Coram (New York) | 4,288.60 mi (6,901.84 km) |
| Sulmona to Corcoran (California) | 6,291.78 mi (10,125.64 km) |
| Sulmona to Cordele (Georgia) | 5,135.64 mi (8,265.01 km) |
