| Seymour to Duluth (Minnesota) | 626.15 mi (1,007.69 km) |
| Seymour to Dumas (Texas) | 906.26 mi (1,458.48 km) |
| Seymour to Dumont (New Jersey) | 644.66 mi (1,037.48 km) |
| Seymour to Duncan (Oklahoma) | 731.56 mi (1,177.34 km) |
| Seymour to Duncanville (Texas) | 754.78 mi (1,214.70 km) |
| Seymour to Dundalk (Maryland) | 504.06 mi (811.21 km) |
| Seymour to Dunedin (Florida) | 774.92 mi (1,247.11 km) |
| Seymour to Dunkirk (New York) | 421.16 mi (677.80 km) |
| Seymour to Dunmore (Pennsylvania) | 568.59 mi (915.06 km) |
| Seymour to Dunwoody (Georgia) | 356.81 mi (574.23 km) |
| Seymour to Durango (Colorado) | 1,198.07 mi (1,928.11 km) |
| Seymour to Durant (Oklahoma) | 675.75 mi (1,087.51 km) |
| Seymour to Durham (North Carolina) | 434.53 mi (699.31 km) |
| Seymour to Dyer (Indiana) | 195.77 mi (315.06 km) |
| Seymour to Dyersburg (Tennessee) | 276.92 mi (445.65 km) |
