| Port Huron to Delitzsch | 4,164.70 mi (6,702.43 km) |
| Port Huron to Delmenhorst | 3,976.00 mi (6,398.75 km) |
| Port Huron to Demmin | 4,101.02 mi (6,599.96 km) |
| Port Huron to Denkendorf | 4,157.67 mi (6,691.12 km) |
| Port Huron to Denzlingen | 4,125.20 mi (6,638.87 km) |
| Port Huron to Dessau-Rosslau | 4,149.27 mi (6,677.61 km) |
| Port Huron to Detmold | 4,023.91 mi (6,475.86 km) |
| Port Huron to Dettingen an der Erms | 4,164.99 mi (6,702.90 km) |
| Port Huron to Dieburg | 4,095.58 mi (6,591.20 km) |
| Port Huron to Diedorf | 4,226.29 mi (6,801.56 km) |
| Port Huron to Dielheim | 4,113.69 mi (6,620.35 km) |
| Port Huron to Diepholz | 3,981.87 mi (6,408.20 km) |
| Port Huron to Diessen am Ammersee | 4,254.41 mi (6,846.80 km) |
| Port Huron to Dietzenbach | 4,088.83 mi (6,580.33 km) |
| Port Huron to Diez | 4,047.11 mi (6,513.19 km) |
