| Seymour to Dover (New Hampshire) | 833.38 mi (1,341.19 km) |
| Seymour to Dover (New Jersey) | 614.76 mi (989.36 km) |
| Seymour to Dover (Ohio) | 258.55 mi (416.10 km) |
| Seymour to Downers Grove (Illinois) | 226.32 mi (364.22 km) |
| Seymour to Downey (California) | 1,815.26 mi (2,921.37 km) |
| Seymour to Dranesville (Virginia) | 457.61 mi (736.45 km) |
| Seymour to Draper (Utah) | 1,379.26 mi (2,219.70 km) |
| Seymour to Drexel Heights (Arizona) | 1,484.61 mi (2,389.25 km) |
| Seymour to Drexel Hill (Pennsylvania) | 568.75 mi (915.32 km) |
| Seymour to Duarte (California) | 1,800.23 mi (2,897.19 km) |
| Seymour to Dublin (California) | 1,940.57 mi (3,123.05 km) |
| Seymour to Dublin (Georgia) | 473.06 mi (761.31 km) |
| Seymour to Dublin (Ohio) | 166.94 mi (268.67 km) |
| Seymour to Dubuque (Iowa) | 351.80 mi (566.16 km) |
| Seymour to Duluth (Georgia) | 354.91 mi (571.17 km) |
