| Mercer Island to Celbridge | 4,513.93 mi (7,264.46 km) |
| Mercer Island to Clondalkin | 4,518.81 mi (7,272.32 km) |
| Mercer Island to Clonmel | 4,531.43 mi (7,292.63 km) |
| Mercer Island to Cobh | 4,540.28 mi (7,306.88 km) |
| Mercer Island to Cork | 4,532.93 mi (7,295.04 km) |
| Mercer Island to Donegal | 4,403.83 mi (7,087.27 km) |
| Mercer Island to Douglas | 4,534.97 mi (7,298.33 km) |
| Mercer Island to Drogheda | 4,499.69 mi (7,241.55 km) |
| Mercer Island to Dublin | 4,520.98 mi (7,275.82 km) |
| Mercer Island to Dun Dealgan | 4,483.18 mi (7,214.98 km) |
| Mercer Island to Ennis | 4,470.27 mi (7,194.21 km) |
| Mercer Island to Enniscorthy | 4,556.17 mi (7,332.45 km) |
| Mercer Island to Finglas | 4,516.50 mi (7,268.60 km) |
| Mercer Island to Galway | 4,446.95 mi (7,156.68 km) |
| Mercer Island to Glanmire | 4,533.96 mi (7,296.70 km) |
