| Mackworth to Carlsbad (New Mexico) | 4,947.18 mi (7,961.71 km) |
| Mackworth to Carmel (Indiana) | 3,884.92 mi (6,252.18 km) |
| Mackworth to Carmichael (California) | 5,160.04 mi (8,304.28 km) |
| Mackworth to Carney (Maryland) | 3,534.79 mi (5,688.69 km) |
| Mackworth to Carnot-Moon (Pennsylvania) | 3,629.58 mi (5,841.24 km) |
| Mackworth to Carol Stream (Illinois) | 3,866.86 mi (6,223.10 km) |
| Mackworth to Carolina (Puerto Rico) | 4,151.59 mi (6,681.33 km) |
| Mackworth to Carolina Forest (South Carolina) | 3,898.83 mi (6,274.55 km) |
| Mackworth to Carpentersville (Illinois) | 3,863.07 mi (6,217.00 km) |
| Mackworth to Carpinteria (California) | 5,350.83 mi (8,611.33 km) |
| Mackworth to Carrboro (North Carolina) | 3,801.08 mi (6,117.25 km) |
| Mackworth to Carroll (Iowa) | 4,106.02 mi (6,608.00 km) |
| Mackworth to Carrollton (Georgia) | 4,155.77 mi (6,688.07 km) |
| Mackworth to Carrollton (Texas) | 4,644.55 mi (7,474.69 km) |
| Mackworth to Carrollwood (Florida) | 4,331.86 mi (6,971.45 km) |
