| Littleton to Dover (New Hampshire) | 1,774.24 mi (2,855.37 km) |
| Littleton to Dover (New Jersey) | 1,600.88 mi (2,576.37 km) |
| Littleton to Dover (Ohio) | 1,242.72 mi (1,999.97 km) |
| Littleton to Downers Grove (Illinois) | 902.04 mi (1,451.69 km) |
| Littleton to Downey (California) | 823.02 mi (1,324.53 km) |
| Littleton to Dranesville (Virginia) | 1,473.21 mi (2,370.90 km) |
| Littleton to Draper (Utah) | 367.14 mi (590.86 km) |
| Littleton to Drexel Heights (Arizona) | 614.98 mi (989.72 km) |
| Littleton to Drexel Hill (Pennsylvania) | 1,570.89 mi (2,528.10 km) |
| Littleton to Duarte (California) | 806.11 mi (1,297.31 km) |
| Littleton to Dublin (California) | 918.44 mi (1,478.09 km) |
| Littleton to Dublin (Georgia) | 1,322.27 mi (2,127.98 km) |
| Littleton to Dublin (Ohio) | 1,157.87 mi (1,863.42 km) |
| Littleton to Dubuque (Iowa) | 771.32 mi (1,241.31 km) |
| Littleton to Duluth (Georgia) | 1,214.09 mi (1,953.88 km) |
