| Penwortham to Carlsbad (New Mexico) | 4,877.19 mi (7,849.07 km) |
| Penwortham to Carmel (Indiana) | 3,818.22 mi (6,144.84 km) |
| Penwortham to Carmichael (California) | 5,085.86 mi (8,184.91 km) |
| Penwortham to Carney (Maryland) | 3,472.47 mi (5,588.40 km) |
| Penwortham to Carnot-Moon (Pennsylvania) | 3,564.91 mi (5,737.16 km) |
| Penwortham to Carol Stream (Illinois) | 3,798.55 mi (6,113.17 km) |
| Penwortham to Carolina (Puerto Rico) | 4,113.04 mi (6,619.30 km) |
| Penwortham to Carolina Forest (South Carolina) | 3,839.04 mi (6,178.34 km) |
| Penwortham to Carpentersville (Illinois) | 3,794.62 mi (6,106.84 km) |
| Penwortham to Carpinteria (California) | 5,277.15 mi (8,492.75 km) |
| Penwortham to Carrboro (North Carolina) | 3,739.80 mi (6,018.63 km) |
| Penwortham to Carroll (Iowa) | 4,035.69 mi (6,494.81 km) |
| Penwortham to Carrollton (Georgia) | 4,092.89 mi (6,586.88 km) |
| Penwortham to Carrollton (Texas) | 4,576.87 mi (7,365.77 km) |
| Penwortham to Carrollwood (Florida) | 4,273.58 mi (6,877.67 km) |
