| Alton to Dardenne Prairie (Missouri) | 4,192.87 mi (6,747.78 km) |
| Alton to Darien (Illinois) | 3,946.14 mi (6,350.71 km) |
| Alton to Davenport (Iowa) | 4,055.12 mi (6,526.09 km) |
| Alton to Davidson (North Carolina) | 3,950.29 mi (6,357.37 km) |
| Alton to Davie (Florida) | 4,384.44 mi (7,056.07 km) |
| Alton to Davis (California) | 5,281.30 mi (8,499.43 km) |
| Alton to Dayton (Nevada) | 5,175.41 mi (8,329.02 km) |
| Alton to Dayton (Ohio) | 3,888.31 mi (6,257.63 km) |
| Alton to Daytona Beach (Florida) | 4,264.01 mi (6,862.25 km) |
| Alton to De Pere (Wisconsin) | 3,827.79 mi (6,160.23 km) |
| Alton to De Witt (New York) | 3,420.90 mi (5,505.40 km) |
| Alton to Dearborn (Michigan) | 3,735.24 mi (6,011.29 km) |
| Alton to Dearborn Heights (Michigan) | 3,737.58 mi (6,015.05 km) |
| Alton to DeBary (Florida) | 4,289.24 mi (6,902.86 km) |
| Alton to Decatur (Alabama) | 4,246.18 mi (6,833.57 km) |
