| Roman to Dardenne Prairie (Missouri) | 5,380.47 mi (8,659.04 km) |
| Roman to Darien (Illinois) | 5,128.83 mi (8,254.06 km) |
| Roman to Davenport (Iowa) | 5,224.80 mi (8,408.51 km) |
| Roman to Davidson (North Carolina) | 5,199.76 mi (8,368.21 km) |
| Roman to Davie (Florida) | 5,663.98 mi (9,115.29 km) |
| Roman to Davis (California) | 6,221.69 mi (10,012.85 km) |
| Roman to Dayton (Nevada) | 6,133.69 mi (9,871.22 km) |
| Roman to Dayton (Ohio) | 5,102.20 mi (8,211.20 km) |
| Roman to Daytona Beach (Florida) | 5,534.50 mi (8,906.92 km) |
| Roman to De Pere (Wisconsin) | 4,990.42 mi (8,031.30 km) |
| Roman to De Witt (New York) | 4,649.15 mi (7,482.09 km) |
| Roman to Dearborn (Michigan) | 4,937.81 mi (7,946.64 km) |
| Roman to Dearborn Heights (Michigan) | 4,939.83 mi (7,949.89 km) |
| Roman to DeBary (Florida) | 5,560.02 mi (8,947.99 km) |
| Roman to Decatur (Alabama) | 5,475.56 mi (8,812.06 km) |
