| Penwortham to Cicero (Illinois) | 3,788.31 mi (6,096.70 km) |
| Penwortham to Cimarron Hills (Colorado) | 4,544.63 mi (7,313.87 km) |
| Penwortham to Cincinnati (Ohio) | 3,795.53 mi (6,108.31 km) |
| Penwortham to Cinco Ranch (Texas) | 4,706.27 mi (7,574.01 km) |
| Penwortham to Circleville (Ohio) | 3,712.80 mi (5,975.18 km) |
| Penwortham to Citrus (California) | 5,242.60 mi (8,437.15 km) |
| Penwortham to Citrus Heights (California) | 5,081.08 mi (8,177.22 km) |
| Penwortham to Citrus Park (Florida) | 4,274.72 mi (6,879.50 km) |
| Penwortham to Claiborne (Louisiana) | 4,422.56 mi (7,117.42 km) |
| Penwortham to Claremont (California) | 5,236.54 mi (8,427.39 km) |
| Penwortham to Claremont (New Hampshire) | 3,129.12 mi (5,035.84 km) |
| Penwortham to Claremore (Oklahoma) | 4,355.03 mi (7,008.74 km) |
| Penwortham to Clarksburg (Maryland) | 3,510.14 mi (5,649.03 km) |
| Penwortham to Clarksburg (West Virginia) | 3,626.97 mi (5,837.05 km) |
| Penwortham to Clarksdale (Mississippi) | 4,274.63 mi (6,879.35 km) |
