| Letchworth to Zottegem | 189.82 mi (305.48 km) |
| Letchworth to Zulte | 173.93 mi (279.91 km) |
| Letchworth to Zwevegem | 173.84 mi (279.76 km) |
| Letchworth to Zwijndrecht | 202.76 mi (326.31 km) |
| Letchworth to Asenovgrad | 1,358.19 mi (2,185.79 km) |
| Letchworth to Aytos | 1,425.76 mi (2,294.54 km) |
| Letchworth to Balchik | 1,434.35 mi (2,308.36 km) |
| Letchworth to Bankya | 1,259.65 mi (2,027.22 km) |
| Letchworth to Bansko | 1,311.56 mi (2,110.75 km) |
| Letchworth to Berkovitsa | 1,236.29 mi (1,989.62 km) |
| Letchworth to Blagoevgrad | 1,288.17 mi (2,073.11 km) |
| Letchworth to Botevgrad | 1,277.11 mi (2,055.31 km) |
| Letchworth to Burgas | 1,442.85 mi (2,322.05 km) |
| Letchworth to Byala Slatina | 1,259.46 mi (2,026.90 km) |
| Letchworth to Chirpan | 1,368.59 mi (2,202.53 km) |
