| Irthlingborough to Chickasha (Oklahoma) | 4,629.98 mi (7,451.23 km) |
| Irthlingborough to Chico (California) | 5,165.79 mi (8,313.54 km) |
| Irthlingborough to Chicopee (Massachusetts) | 3,302.79 mi (5,315.33 km) |
| Irthlingborough to Chillicothe (Ohio) | 3,844.26 mi (6,186.74 km) |
| Irthlingborough to Chillum (Maryland) | 3,622.42 mi (5,829.72 km) |
| Irthlingborough to Chino (California) | 5,373.07 mi (8,647.13 km) |
| Irthlingborough to Chino Hills (California) | 5,376.87 mi (8,653.24 km) |
| Irthlingborough to Chino Valley (Arizona) | 5,157.51 mi (8,300.21 km) |
| Irthlingborough to Chippewa Falls (Wisconsin) | 3,897.91 mi (6,273.07 km) |
| Irthlingborough to Choctaw (Oklahoma) | 4,581.81 mi (7,373.72 km) |
| Irthlingborough to Chowchilla (California) | 5,272.71 mi (8,485.60 km) |
| Irthlingborough to Christiansburg (Virginia) | 3,845.07 mi (6,188.05 km) |
| Irthlingborough to Chubbuck (Idaho) | 4,707.37 mi (7,575.78 km) |
| Irthlingborough to Chula Vista (California) | 5,429.84 mi (8,738.49 km) |
| Irthlingborough to Cibolo (Texas) | 4,928.01 mi (7,930.86 km) |
