| Letchworth to Cutrofiano | 1,198.94 mi (1,929.50 km) |
| Letchworth to Dalmine | 624.43 mi (1,004.93 km) |
| Letchworth to Deruta | 854.95 mi (1,375.90 km) |
| Letchworth to Desenzano del Garda | 664.35 mi (1,069.16 km) |
| Letchworth to Desio | 613.90 mi (987.97 km) |
| Letchworth to Dolianova | 979.82 mi (1,576.87 km) |
| Letchworth to Dolo | 719.28 mi (1,157.58 km) |
| Letchworth to Domodossola | 558.70 mi (899.14 km) |
| Letchworth to Dorgali | 931.79 mi (1,499.57 km) |
| Letchworth to Dueville | 691.03 mi (1,112.10 km) |
| Letchworth to Eboli | 1,067.50 mi (1,717.98 km) |
| Letchworth to Elmas | 984.28 mi (1,584.04 km) |
| Letchworth to Empoli | 769.36 mi (1,238.17 km) |
| Letchworth to Enna | 1,219.14 mi (1,962.01 km) |
| Letchworth to Eraclea | 733.68 mi (1,180.74 km) |
