| Northampton to Caguas (Puerto Rico) | 4,182.84 mi (6,731.63 km) |
| Northampton to Cahokia (Illinois) | 4,151.27 mi (6,680.82 km) |
| Northampton to Calabasas (California) | 5,391.50 mi (8,676.79 km) |
| Northampton to Caldwell (Idaho) | 4,790.50 mi (7,709.57 km) |
| Northampton to Caledonia (Wisconsin) | 3,861.89 mi (6,215.11 km) |
| Northampton to Calera (Alabama) | 4,285.51 mi (6,896.86 km) |
| Northampton to Calexico (California) | 5,371.61 mi (8,644.77 km) |
| Northampton to Calhoun (Georgia) | 4,145.57 mi (6,671.65 km) |
| Northampton to California (Maryland) | 3,624.10 mi (5,832.42 km) |
| Northampton to California City (California) | 5,307.73 mi (8,541.97 km) |
| Northampton to Callaway (Florida) | 4,387.77 mi (7,061.43 km) |
| Northampton to Calumet City (Illinois) | 3,905.07 mi (6,284.60 km) |
| Northampton to Calverton (Maryland) | 3,607.71 mi (5,806.04 km) |
| Northampton to Camano (Washington) | 4,695.26 mi (7,556.29 km) |
| Northampton to Camarillo (California) | 5,398.06 mi (8,687.34 km) |
