| Horndean to Kopavogur | 1,186.05 mi (1,908.76 km) |
| Horndean to Reykjavik | 1,188.36 mi (1,912.48 km) |
| Horndean to Saudharkrokur | 1,217.38 mi (1,959.19 km) |
| Horndean to Selfoss | 1,157.22 mi (1,862.37 km) |
| Horndean to An Cabhan | 341.86 mi (550.17 km) |
| Horndean to Arklow | 255.92 mi (411.86 km) |
| Horndean to Ashtown | 282.95 mi (455.36 km) |
| Horndean to Athy | 292.62 mi (470.92 km) |
| Horndean to Baile Atha Luain | 341.44 mi (549.50 km) |
| Horndean to Ballincollig | 333.99 mi (537.51 km) |
| Horndean to Blackrock | 274.79 mi (442.23 km) |
| Horndean to Carlow | 285.64 mi (459.69 km) |
| Horndean to Carrick on Shannon | 364.81 mi (587.10 km) |
| Horndean to Carrigaline | 324.88 mi (522.84 km) |
| Horndean to Castlebar | 404.66 mi (651.24 km) |
