| Niagara Falls to Celbridge | 3,261.89 mi (5,249.50 km) |
| Niagara Falls to Clondalkin | 3,267.92 mi (5,259.20 km) |
| Niagara Falls to Clonmel | 3,237.00 mi (5,209.45 km) |
| Niagara Falls to Cobh | 3,224.53 mi (5,189.39 km) |
| Niagara Falls to Cork | 3,216.51 mi (5,176.47 km) |
| Niagara Falls to Donegal | 3,173.93 mi (5,107.95 km) |
| Niagara Falls to Douglas | 3,218.35 mi (5,179.43 km) |
| Niagara Falls to Drogheda | 3,260.98 mi (5,248.04 km) |
| Niagara Falls to Dublin | 3,272.52 mi (5,266.62 km) |
| Niagara Falls to Dun Dealgan | 3,252.66 mi (5,234.66 km) |
| Niagara Falls to Ennis | 3,175.86 mi (5,111.05 km) |
| Niagara Falls to Enniscorthy | 3,279.38 mi (5,277.66 km) |
| Niagara Falls to Finglas | 3,271.76 mi (5,265.39 km) |
| Niagara Falls to Galway | 3,164.51 mi (5,092.78 km) |
| Niagara Falls to Glanmire | 3,218.91 mi (5,180.34 km) |
