| Littleton to Duluth (Minnesota) | 815.22 mi (1,311.97 km) |
| Littleton to Dumas (Texas) | 307.02 mi (494.10 km) |
| Littleton to Dumont (New Jersey) | 1,629.80 mi (2,622.91 km) |
| Littleton to Duncan (Oklahoma) | 523.97 mi (843.25 km) |
| Littleton to Duncanville (Texas) | 658.95 mi (1,060.48 km) |
| Littleton to Dundalk (Maryland) | 1,516.00 mi (2,439.77 km) |
| Littleton to Dunedin (Florida) | 1,499.12 mi (2,412.61 km) |
| Littleton to Dunkirk (New York) | 1,348.21 mi (2,169.73 km) |
| Littleton to Dunmore (Pennsylvania) | 1,542.87 mi (2,483.00 km) |
| Littleton to Dunwoody (Georgia) | 1,207.44 mi (1,943.18 km) |
| Littleton to Durango (Colorado) | 223.07 mi (358.99 km) |
| Littleton to Durant (Oklahoma) | 613.76 mi (987.76 km) |
| Littleton to Durham (North Carolina) | 1,442.50 mi (2,321.48 km) |
| Littleton to Dyer (Indiana) | 927.08 mi (1,492.00 km) |
| Littleton to Dyersburg (Tennessee) | 886.81 mi (1,427.18 km) |
