| Picayune to Candler-McAfee (Georgia) | 385.32 mi (620.12 km) |
| Picayune to Caño Martin Peña (Puerto Rico) | 1,699.00 mi (2,734.27 km) |
| Picayune to Cañon City (Colorado) | 1,038.37 mi (1,671.10 km) |
| Picayune to Canóvanas (Puerto Rico) | 1,709.52 mi (2,751.21 km) |
| Picayune to Canton (Georgia) | 396.50 mi (638.11 km) |
| Picayune to Canton (Illinois) | 693.38 mi (1,115.89 km) |
| Picayune to Canton (Mississippi) | 144.26 mi (232.16 km) |
| Picayune to Canton (Ohio) | 848.38 mi (1,365.34 km) |
| Picayune to Canyon (Texas) | 774.65 mi (1,246.69 km) |
| Picayune to Canyon Lake (California) | 1,624.43 mi (2,614.27 km) |
| Picayune to Canyon Lake (Texas) | 514.73 mi (828.38 km) |
| Picayune to Cape Coral (Florida) | 537.44 mi (864.93 km) |
| Picayune to Cape Girardeau (Missouri) | 468.41 mi (753.83 km) |
| Picayune to Carbondale (Illinois) | 497.43 mi (800.54 km) |
| Picayune to Carlisle (Pennsylvania) | 967.56 mi (1,557.13 km) |
