| Fort Smith to Decatur (Alabama) | 421.16 mi (677.79 km) |
| Fort Smith to Decatur (Georgia) | 583.17 mi (938.53 km) |
| Fort Smith to Decatur (Illinois) | 430.48 mi (692.78 km) |
| Fort Smith to Deer Park (New York) | 1,201.12 mi (1,933.02 km) |
| Fort Smith to Deer Park (Texas) | 393.45 mi (633.19 km) |
| Fort Smith to Deerfield (Illinois) | 587.05 mi (944.76 km) |
| Fort Smith to Deerfield Beach (Florida) | 1,049.04 mi (1,688.26 km) |
| Fort Smith to Defiance (Ohio) | 679.00 mi (1,092.75 km) |
| Fort Smith to DeForest (Wisconsin) | 606.93 mi (976.76 km) |
| Fort Smith to DeKalb (Illinois) | 546.37 mi (879.30 km) |
| Fort Smith to Del Aire (California) | 1,364.65 mi (2,196.20 km) |
| Fort Smith to Del City (Oklahoma) | 173.11 mi (278.59 km) |
| Fort Smith to Del Rio (Texas) | 560.97 mi (902.80 km) |
| Fort Smith to DeLand (Florida) | 879.92 mi (1,416.10 km) |
| Fort Smith to Delano (California) | 1,395.80 mi (2,246.32 km) |
