| Conroe to Decatur (Georgia) | 696.58 mi (1,121.04 km) |
| Conroe to Decatur (Illinois) | 754.96 mi (1,214.99 km) |
| Conroe to Deer Park (New York) | 1,433.48 mi (2,306.96 km) |
| Conroe to Deer Park (Texas) | 49.01 mi (78.87 km) |
| Conroe to Deerfield (Illinois) | 921.11 mi (1,482.38 km) |
| Conroe to Deerfield Beach (Florida) | 973.43 mi (1,566.58 km) |
| Conroe to Defiance (Ohio) | 978.67 mi (1,575.02 km) |
| Conroe to DeForest (Wisconsin) | 953.56 mi (1,534.61 km) |
| Conroe to DeKalb (Illinois) | 884.95 mi (1,424.20 km) |
| Conroe to Del Aire (California) | 1,359.12 mi (2,187.29 km) |
| Conroe to Del City (Oklahoma) | 371.83 mi (598.40 km) |
| Conroe to Del Rio (Texas) | 330.07 mi (531.20 km) |
| Conroe to DeLand (Florida) | 856.32 mi (1,378.11 km) |
| Conroe to Delano (California) | 1,423.73 mi (2,291.27 km) |
| Conroe to Delaware (Ohio) | 979.54 mi (1,576.41 km) |
