| Mackworth to Caguas (Puerto Rico) | 4,163.38 mi (6,700.31 km) |
| Mackworth to Cahokia (Illinois) | 4,106.32 mi (6,608.48 km) |
| Mackworth to Calabasas (California) | 5,339.43 mi (8,592.98 km) |
| Mackworth to Caldwell (Idaho) | 4,737.19 mi (7,623.77 km) |
| Mackworth to Caledonia (Wisconsin) | 3,815.75 mi (6,140.86 km) |
| Mackworth to Calera (Alabama) | 4,244.57 mi (6,830.97 km) |
| Mackworth to Calexico (California) | 5,320.60 mi (8,562.67 km) |
| Mackworth to Calhoun (Georgia) | 4,104.73 mi (6,605.92 km) |
| Mackworth to California (Maryland) | 3,584.82 mi (5,769.22 km) |
| Mackworth to California City (California) | 5,255.65 mi (8,458.14 km) |
| Mackworth to Callaway (Florida) | 4,348.91 mi (6,998.90 km) |
| Mackworth to Calumet City (Illinois) | 3,859.61 mi (6,211.44 km) |
| Mackworth to Calverton (Maryland) | 3,567.74 mi (5,741.73 km) |
| Mackworth to Camano (Washington) | 4,640.67 mi (7,468.44 km) |
| Mackworth to Camarillo (California) | 5,345.89 mi (8,603.37 km) |
