| Picayune to Cordele (Georgia) | 362.26 mi (583.00 km) |
| Picayune to Corinth (Mississippi) | 312.39 mi (502.74 km) |
| Picayune to Corinth (Texas) | 469.96 mi (756.33 km) |
| Picayune to Cornelius (North Carolina) | 612.77 mi (986.15 km) |
| Picayune to Cornelius (Oregon) | 2,069.53 mi (3,330.59 km) |
| Picayune to Corning (New York) | 1,063.92 mi (1,712.21 km) |
| Picayune to Corona (California) | 1,641.87 mi (2,642.33 km) |
| Picayune to Coronado (California) | 1,619.84 mi (2,606.89 km) |
| Picayune to Corpus Christi (Texas) | 503.65 mi (810.55 km) |
| Picayune to Corsicana (Texas) | 415.04 mi (667.95 km) |
| Picayune to Cortland (New York) | 1,117.85 mi (1,799.00 km) |
| Picayune to Corvallis (Oregon) | 2,060.44 mi (3,315.96 km) |
| Picayune to Coshocton (Ohio) | 803.02 mi (1,292.34 km) |
| Picayune to Costa Mesa (California) | 1,661.89 mi (2,674.55 km) |
| Picayune to Coto de Caza (California) | 1,643.07 mi (2,644.27 km) |
