| Ferentino to Dover (New Jersey) | 4,340.09 mi (6,984.70 km) |
| Ferentino to Dover (Ohio) | 4,652.38 mi (7,487.29 km) |
| Ferentino to Downers Grove (Illinois) | 4,868.50 mi (7,835.10 km) |
| Ferentino to Downey (California) | 6,370.16 mi (10,251.78 km) |
| Ferentino to Dranesville (Virginia) | 4,536.49 mi (7,300.77 km) |
| Ferentino to Draper (Utah) | 5,801.15 mi (9,336.04 km) |
| Ferentino to Drexel Heights (Arizona) | 6,228.26 mi (10,023.42 km) |
| Ferentino to Drexel Hill (Pennsylvania) | 4,408.34 mi (7,094.54 km) |
| Ferentino to Duarte (California) | 6,351.59 mi (10,221.90 km) |
| Ferentino to Dublin (California) | 6,265.87 mi (10,083.94 km) |
| Ferentino to Dublin (Georgia) | 5,054.02 mi (8,133.66 km) |
| Ferentino to Dublin (Ohio) | 4,740.01 mi (7,628.31 km) |
| Ferentino to Dubuque (Iowa) | 4,943.65 mi (7,956.03 km) |
| Ferentino to Duluth (Georgia) | 5,044.56 mi (8,118.43 km) |
| Ferentino to Duluth (Minnesota) | 4,807.73 mi (7,737.30 km) |
