| Romeoville to Celbridge | 3,678.79 mi (5,920.44 km) |
| Romeoville to Clondalkin | 3,684.75 mi (5,930.02 km) |
| Romeoville to Clonmel | 3,659.79 mi (5,889.86 km) |
| Romeoville to Cobh | 3,650.22 mi (5,874.46 km) |
| Romeoville to Cork | 3,642.17 mi (5,861.50 km) |
| Romeoville to Donegal | 3,585.89 mi (5,770.93 km) |
| Romeoville to Douglas | 3,644.07 mi (5,864.56 km) |
| Romeoville to Drogheda | 3,675.85 mi (5,915.70 km) |
| Romeoville to Dublin | 3,689.06 mi (5,936.97 km) |
| Romeoville to Dun Dealgan | 3,666.13 mi (5,900.07 km) |
| Romeoville to Ennis | 3,597.65 mi (5,789.86 km) |
| Romeoville to Enniscorthy | 3,700.26 mi (5,954.99 km) |
| Romeoville to Finglas | 3,687.73 mi (5,934.82 km) |
| Romeoville to Galway | 3,584.33 mi (5,768.43 km) |
| Romeoville to Glanmire | 3,644.41 mi (5,865.11 km) |
