| Irmo to Celbridge | 3,766.22 mi (6,061.14 km) |
| Irmo to Clondalkin | 3,772.29 mi (6,070.91 km) |
| Irmo to Clonmel | 3,731.40 mi (6,005.11 km) |
| Irmo to Cobh | 3,713.72 mi (5,976.66 km) |
| Irmo to Cork | 3,705.85 mi (5,964.00 km) |
| Irmo to Donegal | 3,687.28 mi (5,934.11 km) |
| Irmo to Douglas | 3,707.56 mi (5,966.74 km) |
| Irmo to Drogheda | 3,768.66 mi (6,065.08 km) |
| Irmo to Dublin | 3,777.32 mi (6,079.00 km) |
| Irmo to Dun Dealgan | 3,762.69 mi (6,055.46 km) |
| Irmo to Ennis | 3,672.84 mi (5,910.86 km) |
| Irmo to Enniscorthy | 3,776.67 mi (6,077.96 km) |
| Irmo to Finglas | 3,777.52 mi (6,079.33 km) |
| Irmo to Galway | 3,665.11 mi (5,898.42 km) |
| Irmo to Glanmire | 3,708.53 mi (5,968.30 km) |
