| Northampton to Castle Rock (Colorado) | 4,644.11 mi (7,473.97 km) |
| Northampton to Castro Valley (California) | 5,288.64 mi (8,511.24 km) |
| Northampton to Catalina Foothills (Arizona) | 5,236.59 mi (8,427.48 km) |
| Northampton to Cataño (Puerto Rico) | 4,176.32 mi (6,721.13 km) |
| Northampton to Cathedral City (California) | 5,337.98 mi (8,590.65 km) |
| Northampton to Catonsville (Maryland) | 3,589.98 mi (5,777.51 km) |
| Northampton to Cave Spring (Virginia) | 3,815.88 mi (6,141.07 km) |
| Northampton to Cayce (South Carolina) | 4,014.78 mi (6,461.16 km) |
| Northampton to Cayey (Puerto Rico) | 4,194.26 mi (6,750.01 km) |
| Northampton to Cedar City (Utah) | 5,011.96 mi (8,065.97 km) |
| Northampton to Cedar Falls (Iowa) | 4,044.50 mi (6,509.00 km) |
| Northampton to Cedar Hill (Texas) | 4,713.16 mi (7,585.09 km) |
| Northampton to Cedar Lake (Indiana) | 3,912.30 mi (6,296.24 km) |
| Northampton to Cedar Mill (Oregon) | 4,856.00 mi (7,814.97 km) |
| Northampton to Cedar Park (Texas) | 4,854.74 mi (7,812.96 km) |
