| Penrith to Carson (California) | 5,228.59 mi (8,414.60 km) |
| Penrith to Carson City (Nevada) | 4,964.42 mi (7,989.46 km) |
| Penrith to Carteret (New Jersey) | 3,310.30 mi (5,327.42 km) |
| Penrith to Cartersville (Georgia) | 4,033.41 mi (6,491.15 km) |
| Penrith to Carthage (Missouri) | 4,236.22 mi (6,817.54 km) |
| Penrith to Cary (Illinois) | 3,760.43 mi (6,051.82 km) |
| Penrith to Cary (North Carolina) | 3,720.27 mi (5,987.20 km) |
| Penrith to Casa de Oro-Mount Helix (California) | 5,250.72 mi (8,450.22 km) |
| Penrith to Casa Grande (Arizona) | 5,074.09 mi (8,165.95 km) |
| Penrith to Casas Adobes (Arizona) | 5,081.11 mi (8,177.26 km) |
| Penrith to Cascades (Virginia) | 3,505.30 mi (5,641.24 km) |
| Penrith to Casper (Wyoming) | 4,347.31 mi (6,996.32 km) |
| Penrith to Casselberry (Florida) | 4,182.60 mi (6,731.24 km) |
| Penrith to Castaic (California) | 5,202.63 mi (8,372.82 km) |
| Penrith to Castle Pines (Colorado) | 4,481.66 mi (7,212.53 km) |
