| Fort Collins to Dewsbury | 4,505.39 mi (7,250.73 km) |
| Fort Collins to Deysbrook | 4,472.14 mi (7,197.22 km) |
| Fort Collins to Didcot | 4,603.38 mi (7,408.42 km) |
| Fort Collins to Dingle | 4,473.25 mi (7,199.00 km) |
| Fort Collins to Dinnington | 4,532.91 mi (7,295.02 km) |
| Fort Collins to Dodworth | 4,515.11 mi (7,266.37 km) |
| Fort Collins to Dollis Hill | 4,639.71 mi (7,466.90 km) |
| Fort Collins to Doncaster | 4,528.78 mi (7,288.37 km) |
| Fort Collins to Dorchester | 4,598.03 mi (7,399.82 km) |
| Fort Collins to Dorking | 4,650.24 mi (7,483.84 km) |
| Fort Collins to Dorridge | 4,554.45 mi (7,329.68 km) |
| Fort Collins to Dover | 4,710.76 mi (7,581.24 km) |
| Fort Collins to Downham Market | 4,617.59 mi (7,431.29 km) |
| Fort Collins to Droitwich | 4,545.08 mi (7,314.59 km) |
| Fort Collins to Dronfield | 4,526.60 mi (7,284.86 km) |
