| Fort Collins to Dobrova | 5,386.75 mi (8,669.14 km) |
| Fort Collins to Dobrovnik | 5,417.75 mi (8,719.02 km) |
| Fort Collins to Dobrovo | 5,360.66 mi (8,627.14 km) |
| Fort Collins to Dol | 5,392.35 mi (8,678.15 km) |
| Fort Collins to Dolenjske Toplice | 5,422.86 mi (8,727.26 km) |
| Fort Collins to Domzale | 5,388.21 mi (8,671.49 km) |
| Fort Collins to Dornava | 5,416.62 mi (8,717.21 km) |
| Fort Collins to Dragomer | 5,387.45 mi (8,670.27 km) |
| Fort Collins to Dravograd | 5,378.96 mi (8,656.61 km) |
| Fort Collins to Gorenja Vas | 5,375.28 mi (8,650.68 km) |
| Fort Collins to Gorisnica | 5,419.57 mi (8,721.96 km) |
| Fort Collins to Gornja Radgona | 5,405.35 mi (8,699.06 km) |
| Fort Collins to Gornji Grad | 5,387.00 mi (8,669.53 km) |
| Fort Collins to Gornji Petrovci | 5,405.70 mi (8,699.64 km) |
| Fort Collins to Grad | 5,402.35 mi (8,694.25 km) |
