| Penwortham to Chickasha (Oklahoma) | 4,507.51 mi (7,254.13 km) |
| Penwortham to Chico (California) | 5,034.62 mi (8,102.44 km) |
| Penwortham to Chicopee (Massachusetts) | 3,190.89 mi (5,135.24 km) |
| Penwortham to Chillicothe (Ohio) | 3,727.90 mi (5,999.47 km) |
| Penwortham to Chillum (Maryland) | 3,510.93 mi (5,650.29 km) |
| Penwortham to Chino (California) | 5,243.15 mi (8,438.03 km) |
| Penwortham to Chino Hills (California) | 5,246.94 mi (8,444.13 km) |
| Penwortham to Chino Valley (Arizona) | 5,028.84 mi (8,093.13 km) |
| Penwortham to Chippewa Falls (Wisconsin) | 3,772.66 mi (6,071.51 km) |
| Penwortham to Choctaw (Oklahoma) | 4,459.46 mi (7,176.81 km) |
| Penwortham to Chowchilla (California) | 5,141.87 mi (8,275.05 km) |
| Penwortham to Christiansburg (Virginia) | 3,732.83 mi (6,007.42 km) |
| Penwortham to Chubbuck (Idaho) | 4,576.88 mi (7,365.77 km) |
| Penwortham to Chula Vista (California) | 5,300.35 mi (8,530.09 km) |
| Penwortham to Cibolo (Texas) | 4,808.75 mi (7,738.94 km) |
