| Northampton to Dallas (Texas) | 4,694.74 mi (7,555.45 km) |
| Northampton to Dalton (Georgia) | 4,133.27 mi (6,651.85 km) |
| Northampton to Daly City (California) | 5,301.88 mi (8,532.56 km) |
| Northampton to Damascus (Maryland) | 3,608.00 mi (5,806.51 km) |
| Northampton to Damascus (Oregon) | 4,852.88 mi (7,809.96 km) |
| Northampton to Dana Point (California) | 5,398.59 mi (8,688.19 km) |
| Northampton to Danbury (Connecticut) | 3,363.11 mi (5,412.40 km) |
| Northampton to Dania Beach (Florida) | 4,371.91 mi (7,035.92 km) |
| Northampton to Danville (California) | 5,279.90 mi (8,497.17 km) |
| Northampton to Danville (Illinois) | 3,976.96 mi (6,400.30 km) |
| Northampton to Danville (Indiana) | 3,952.60 mi (6,361.10 km) |
| Northampton to Danville (Kentucky) | 3,986.29 mi (6,415.31 km) |
| Northampton to Danville (Virginia) | 3,821.99 mi (6,150.90 km) |
| Northampton to Daphne (Alabama) | 4,457.03 mi (7,172.89 km) |
| Northampton to Darby (Pennsylvania) | 3,500.60 mi (5,633.67 km) |
