| Houston to Celbridge | 4,550.81 mi (7,323.83 km) |
| Houston to Clondalkin | 4,556.85 mi (7,333.54 km) |
| Houston to Clonmel | 4,525.05 mi (7,282.36 km) |
| Houston to Cobh | 4,511.84 mi (7,261.10 km) |
| Houston to Cork | 4,503.83 mi (7,248.21 km) |
| Houston to Donegal | 4,462.99 mi (7,182.49 km) |
| Houston to Douglas | 4,505.65 mi (7,251.14 km) |
| Houston to Drogheda | 4,550.03 mi (7,322.56 km) |
| Houston to Dublin | 4,561.47 mi (7,340.98 km) |
| Houston to Dun Dealgan | 4,541.74 mi (7,309.23 km) |
| Houston to Ennis | 4,464.15 mi (7,184.36 km) |
| Houston to Enniscorthy | 4,567.79 mi (7,351.15 km) |
| Houston to Finglas | 4,560.75 mi (7,339.82 km) |
| Houston to Galway | 4,453.14 mi (7,166.64 km) |
| Houston to Glanmire | 4,506.28 mi (7,252.15 km) |
