| Fort Collins to Darlaston | 4,536.51 mi (7,300.81 km) |
| Fort Collins to Darlington | 4,474.62 mi (7,201.20 km) |
| Fort Collins to Dartford | 4,660.44 mi (7,500.26 km) |
| Fort Collins to Darton | 4,513.00 mi (7,262.97 km) |
| Fort Collins to Darwen | 4,477.45 mi (7,205.75 km) |
| Fort Collins to Daventry | 4,579.32 mi (7,369.71 km) |
| Fort Collins to Davyhulme | 4,490.16 mi (7,226.22 km) |
| Fort Collins to Dawlish | 4,566.88 mi (7,349.68 km) |
| Fort Collins to Deal | 4,709.90 mi (7,579.85 km) |
| Fort Collins to Denby Dale | 4,509.44 mi (7,257.24 km) |
| Fort Collins to Denton | 4,498.79 mi (7,240.11 km) |
| Fort Collins to Derby | 4,541.65 mi (7,309.07 km) |
| Fort Collins to Derry | 4,264.03 mi (6,862.29 km) |
| Fort Collins to Desborough | 4,583.60 mi (7,376.59 km) |
| Fort Collins to Devizes | 4,587.56 mi (7,382.97 km) |
