| Northampton to Dover (New Jersey) | 3,429.52 mi (5,519.29 km) |
| Northampton to Dover (Ohio) | 3,721.01 mi (5,988.38 km) |
| Northampton to Downers Grove (Illinois) | 3,914.17 mi (6,299.25 km) |
| Northampton to Downey (California) | 5,385.87 mi (8,667.72 km) |
| Northampton to Dranesville (Virginia) | 3,627.50 mi (5,837.90 km) |
| Northampton to Draper (Utah) | 4,816.94 mi (7,752.11 km) |
| Northampton to Drexel Heights (Arizona) | 5,251.14 mi (8,450.90 km) |
| Northampton to Drexel Hill (Pennsylvania) | 3,501.06 mi (5,634.41 km) |
| Northampton to Duarte (California) | 5,367.31 mi (8,637.84 km) |
| Northampton to Dublin (California) | 5,283.31 mi (8,502.67 km) |
| Northampton to Dublin (Georgia) | 4,160.66 mi (6,695.93 km) |
| Northampton to Dublin (Ohio) | 3,805.62 mi (6,124.55 km) |
| Northampton to Dubuque (Iowa) | 3,981.24 mi (6,407.18 km) |
| Northampton to Duluth (Georgia) | 4,137.72 mi (6,659.01 km) |
| Northampton to Duluth (Minnesota) | 3,832.37 mi (6,167.60 km) |
