| Alton to Decatur (Georgia) | 4,174.92 mi (6,718.88 km) |
| Alton to Decatur (Illinois) | 4,070.88 mi (6,551.45 km) |
| Alton to Deer Park (New York) | 3,403.75 mi (5,477.81 km) |
| Alton to Deer Park (Texas) | 4,818.01 mi (7,753.83 km) |
| Alton to Deerfield (Illinois) | 3,921.82 mi (6,311.56 km) |
| Alton to Deerfield Beach (Florida) | 4,366.31 mi (7,026.90 km) |
| Alton to Defiance (Ohio) | 3,826.62 mi (6,158.35 km) |
| Alton to DeForest (Wisconsin) | 3,929.78 mi (6,324.37 km) |
| Alton to DeKalb (Illinois) | 3,966.91 mi (6,384.13 km) |
| Alton to Del Aire (California) | 5,441.23 mi (8,756.82 km) |
| Alton to Del City (Oklahoma) | 4,614.56 mi (7,426.42 km) |
| Alton to Del Rio (Texas) | 5,062.11 mi (8,146.68 km) |
| Alton to DeLand (Florida) | 4,280.74 mi (6,889.18 km) |
| Alton to Delano (California) | 5,364.68 mi (8,633.61 km) |
| Alton to Delaware (Ohio) | 3,820.52 mi (6,148.53 km) |
