| Petersburg to Carrollwood (Florida) | 698.44 mi (1,124.04 km) |
| Petersburg to Carson (California) | 2,292.05 mi (3,688.70 km) |
| Petersburg to Carson City (Nevada) | 2,283.54 mi (3,675.00 km) |
| Petersburg to Carteret (New Jersey) | 288.89 mi (464.93 km) |
| Petersburg to Cartersville (Georgia) | 465.67 mi (749.42 km) |
| Petersburg to Carthage (Missouri) | 930.85 mi (1,498.06 km) |
| Petersburg to Cary (Illinois) | 672.16 mi (1,081.74 km) |
| Petersburg to Cary (North Carolina) | 126.30 mi (203.26 km) |
| Petersburg to Casa de Oro-Mount Helix (California) | 2,245.01 mi (3,612.99 km) |
| Petersburg to Casa Grande (Arizona) | 1,955.70 mi (3,147.40 km) |
| Petersburg to Casas Adobes (Arizona) | 1,927.07 mi (3,101.32 km) |
| Petersburg to Cascades (Virginia) | 127.28 mi (204.83 km) |
| Petersburg to Casper (Wyoming) | 1,570.98 mi (2,528.25 km) |
| Petersburg to Casselberry (Florida) | 632.49 mi (1,017.90 km) |
| Petersburg to Castaic (California) | 2,299.30 mi (3,700.37 km) |
