| Alpen to Dover (New Jersey) | 3,741.19 mi (6,020.86 km) |
| Alpen to Dover (Ohio) | 4,027.31 mi (6,481.33 km) |
| Alpen to Downers Grove (Illinois) | 4,211.42 mi (6,777.63 km) |
| Alpen to Downey (California) | 5,645.27 mi (9,085.19 km) |
| Alpen to Dranesville (Virginia) | 3,939.18 mi (6,339.50 km) |
| Alpen to Draper (Utah) | 5,077.78 mi (8,171.89 km) |
| Alpen to Drexel Heights (Arizona) | 5,528.62 mi (8,897.45 km) |
| Alpen to Drexel Hill (Pennsylvania) | 3,813.22 mi (6,136.78 km) |
| Alpen to Duarte (California) | 5,626.73 mi (9,055.35 km) |
| Alpen to Dublin (California) | 5,526.76 mi (8,894.46 km) |
| Alpen to Dublin (Georgia) | 4,474.25 mi (7,200.61 km) |
| Alpen to Dublin (Ohio) | 4,110.88 mi (6,615.82 km) |
| Alpen to Dubuque (Iowa) | 4,273.83 mi (6,878.06 km) |
| Alpen to Duluth (Georgia) | 4,449.13 mi (7,160.19 km) |
| Alpen to Duluth (Minnesota) | 4,114.28 mi (6,621.30 km) |
