| Sussex to Duluth (Minnesota) | 316.08 mi (508.68 km) |
| Sussex to Dumas (Texas) | 886.61 mi (1,426.86 km) |
| Sussex to Dumont (New Jersey) | 744.74 mi (1,198.55 km) |
| Sussex to Duncan (Oklahoma) | 789.47 mi (1,270.54 km) |
| Sussex to Duncanville (Texas) | 864.74 mi (1,391.67 km) |
| Sussex to Dundalk (Maryland) | 664.82 mi (1,069.93 km) |
| Sussex to Dunedin (Florida) | 1,086.58 mi (1,748.68 km) |
| Sussex to Dunkirk (New York) | 452.69 mi (728.53 km) |
| Sussex to Dunmore (Pennsylvania) | 655.13 mi (1,054.34 km) |
| Sussex to Dunwoody (Georgia) | 669.18 mi (1,076.95 km) |
| Sussex to Durango (Colorado) | 1,110.40 mi (1,787.02 km) |
| Sussex to Durant (Oklahoma) | 769.58 mi (1,238.52 km) |
| Sussex to Durham (North Carolina) | 699.81 mi (1,126.24 km) |
| Sussex to Dyer (Indiana) | 118.83 mi (191.24 km) |
| Sussex to Dyersburg (Tennessee) | 493.57 mi (794.33 km) |
