| Alton to Dover (New Jersey) | 3,449.46 mi (5,551.38 km) |
| Alton to Dover (Ohio) | 3,745.83 mi (6,028.34 km) |
| Alton to Downers Grove (Illinois) | 3,945.19 mi (6,349.16 km) |
| Alton to Downey (California) | 5,432.26 mi (8,742.38 km) |
| Alton to Dranesville (Virginia) | 3,647.32 mi (5,869.80 km) |
| Alton to Draper (Utah) | 4,863.15 mi (7,826.49 km) |
| Alton to Drexel Heights (Arizona) | 5,291.14 mi (8,515.26 km) |
| Alton to Drexel Hill (Pennsylvania) | 3,520.40 mi (5,665.53 km) |
| Alton to Duarte (California) | 5,413.70 mi (8,712.51 km) |
| Alton to Dublin (California) | 5,334.39 mi (8,584.88 km) |
| Alton to Dublin (Georgia) | 4,177.97 mi (6,723.79 km) |
| Alton to Dublin (Ohio) | 3,831.23 mi (6,165.78 km) |
| Alton to Dubuque (Iowa) | 4,014.86 mi (6,461.29 km) |
| Alton to Duluth (Georgia) | 4,157.59 mi (6,691.00 km) |
| Alton to Duluth (Minnesota) | 3,871.24 mi (6,230.16 km) |
