| Irthlingborough to Dardenne Prairie (Missouri) | 4,170.72 mi (6,712.12 km) |
| Irthlingborough to Darien (Illinois) | 3,922.82 mi (6,313.17 km) |
| Irthlingborough to Davenport (Iowa) | 4,029.85 mi (6,485.42 km) |
| Irthlingborough to Davidson (North Carolina) | 3,941.08 mi (6,342.56 km) |
| Irthlingborough to Davie (Florida) | 4,386.74 mi (7,059.78 km) |
| Irthlingborough to Davis (California) | 5,233.39 mi (8,422.32 km) |
| Irthlingborough to Dayton (Nevada) | 5,128.74 mi (8,253.90 km) |
| Irthlingborough to Dayton (Ohio) | 3,870.64 mi (6,229.20 km) |
| Irthlingborough to Daytona Beach (Florida) | 4,261.98 mi (6,858.99 km) |
| Irthlingborough to De Pere (Wisconsin) | 3,801.08 mi (6,117.24 km) |
| Irthlingborough to De Witt (New York) | 3,405.78 mi (5,481.07 km) |
| Irthlingborough to Dearborn (Michigan) | 3,715.16 mi (5,978.98 km) |
| Irthlingborough to Dearborn Heights (Michigan) | 3,717.45 mi (5,982.65 km) |
| Irthlingborough to DeBary (Florida) | 4,287.34 mi (6,899.81 km) |
| Irthlingborough to Decatur (Alabama) | 4,232.20 mi (6,811.07 km) |
