| Fort Collins to Delitzsch | 5,048.14 mi (8,124.20 km) |
| Fort Collins to Delmenhorst | 4,862.08 mi (7,824.76 km) |
| Fort Collins to Demmin | 4,952.39 mi (7,970.11 km) |
| Fort Collins to Denkendorf | 5,089.60 mi (8,190.92 km) |
| Fort Collins to Denzlingen | 5,071.64 mi (8,162.01 km) |
| Fort Collins to Dessau-Rosslau | 5,029.82 mi (8,094.72 km) |
| Fort Collins to Detmold | 4,921.92 mi (7,921.06 km) |
| Fort Collins to Dettingen an der Erms | 5,098.52 mi (8,205.27 km) |
| Fort Collins to Dieburg | 5,016.99 mi (8,074.07 km) |
| Fort Collins to Diedorf | 5,153.73 mi (8,294.13 km) |
| Fort Collins to Dielheim | 5,042.51 mi (8,115.13 km) |
| Fort Collins to Diepholz | 4,874.68 mi (7,845.04 km) |
| Fort Collins to Diessen am Ammersee | 5,184.13 mi (8,343.06 km) |
| Fort Collins to Dietzenbach | 5,009.31 mi (8,061.70 km) |
| Fort Collins to Diez | 4,967.79 mi (7,994.88 km) |
