| Helena to Celbridge | 4,266.65 mi (6,866.51 km) |
| Helena to Clondalkin | 4,271.92 mi (6,874.99 km) |
| Helena to Clonmel | 4,274.49 mi (6,879.12 km) |
| Helena to Cobh | 4,278.47 mi (6,885.54 km) |
| Helena to Cork | 4,270.79 mi (6,873.17 km) |
| Helena to Donegal | 4,159.07 mi (6,693.37 km) |
| Helena to Douglas | 4,272.83 mi (6,876.46 km) |
| Helena to Drogheda | 4,255.23 mi (6,848.13 km) |
| Helena to Dublin | 4,274.73 mi (6,879.51 km) |
| Helena to Dun Dealgan | 4,240.26 mi (6,824.04 km) |
| Helena to Ennis | 4,211.90 mi (6,778.39 km) |
| Helena to Enniscorthy | 4,304.01 mi (6,926.63 km) |
| Helena to Finglas | 4,271.02 mi (6,873.54 km) |
| Helena to Galway | 4,190.85 mi (6,744.53 km) |
| Helena to Glanmire | 4,272.17 mi (6,875.40 km) |
