| Letchworth to Kopavogur | 1,142.56 mi (1,838.77 km) |
| Letchworth to Reykjavik | 1,144.78 mi (1,842.35 km) |
| Letchworth to Saudharkrokur | 1,166.68 mi (1,877.58 km) |
| Letchworth to Selfoss | 1,113.26 mi (1,791.61 km) |
| Letchworth to An Cabhan | 327.38 mi (526.87 km) |
| Letchworth to Arklow | 256.47 mi (412.75 km) |
| Letchworth to Ashtown | 273.17 mi (439.62 km) |
| Letchworth to Athy | 292.69 mi (471.04 km) |
| Letchworth to Baile Atha Luain | 337.81 mi (543.65 km) |
| Letchworth to Ballincollig | 355.98 mi (572.89 km) |
| Letchworth to Blackrock | 265.52 mi (427.31 km) |
| Letchworth to Carlow | 288.46 mi (464.23 km) |
| Letchworth to Carrick on Shannon | 354.15 mi (569.96 km) |
| Letchworth to Carrigaline | 347.92 mi (559.93 km) |
| Letchworth to Castlebar | 399.23 mi (642.50 km) |
