| Slovenj Gradec to Dumas (Texas) | 5,536.46 mi (8,910.08 km) |
| Slovenj Gradec to Dumont (New Jersey) | 4,218.98 mi (6,789.79 km) |
| Slovenj Gradec to Duncan (Oklahoma) | 5,462.33 mi (8,790.76 km) |
| Slovenj Gradec to Duncanville (Texas) | 5,524.64 mi (8,891.05 km) |
| Slovenj Gradec to Dundalk (Maryland) | 4,394.53 mi (7,072.32 km) |
| Slovenj Gradec to Dunedin (Florida) | 5,186.05 mi (8,346.14 km) |
| Slovenj Gradec to Dunkirk (New York) | 4,366.59 mi (7,027.34 km) |
| Slovenj Gradec to Dunmore (Pennsylvania) | 4,264.65 mi (6,863.29 km) |
| Slovenj Gradec to Dunwoody (Georgia) | 4,962.68 mi (7,986.66 km) |
| Slovenj Gradec to Durango (Colorado) | 5,657.05 mi (9,104.13 km) |
| Slovenj Gradec to Durant (Oklahoma) | 5,434.32 mi (8,745.69 km) |
| Slovenj Gradec to Durham (North Carolina) | 4,642.93 mi (7,472.08 km) |
| Slovenj Gradec to Dyer (Indiana) | 4,724.99 mi (7,604.14 km) |
| Slovenj Gradec to Dyersburg (Tennessee) | 5,061.96 mi (8,146.44 km) |
| Slovenj Gradec to Eagan (Minnesota) | 4,766.78 mi (7,671.39 km) |
