| Fort Collins to Curtea de Arges | 5,749.81 mi (9,253.43 km) |
| Fort Collins to Dabuleni | 5,807.34 mi (9,346.00 km) |
| Fort Collins to Darabani | 5,631.13 mi (9,062.42 km) |
| Fort Collins to Darmanesti | 5,730.99 mi (9,223.14 km) |
| Fort Collins to Dej | 5,616.64 mi (9,039.11 km) |
| Fort Collins to Deva | 5,657.86 mi (9,105.44 km) |
| Fort Collins to Dolhasca | 5,674.46 mi (9,132.16 km) |
| Fort Collins to Dorohoi | 5,638.92 mi (9,074.96 km) |
| Fort Collins to Draganesti-Olt | 5,799.65 mi (9,333.63 km) |
| Fort Collins to Dragasani | 5,764.39 mi (9,276.89 km) |
| Fort Collins to Drobeta-Turnu Severin | 5,718.52 mi (9,203.07 km) |
| Fort Collins to Fagaras | 5,718.75 mi (9,203.45 km) |
| Fort Collins to Falticeni | 5,664.49 mi (9,116.12 km) |
| Fort Collins to Fetesti | 5,879.26 mi (9,461.75 km) |
| Fort Collins to Filiasi | 5,757.20 mi (9,265.31 km) |
