| Guyancourt to Clondalkin | 483.28 mi (777.77 km) |
| Guyancourt to Clonmel | 495.11 mi (796.81 km) |
| Guyancourt to Cobh | 504.04 mi (811.18 km) |
| Guyancourt to Cork | 512.09 mi (824.12 km) |
| Guyancourt to Donegal | 594.98 mi (957.52 km) |
| Guyancourt to Douglas | 510.21 mi (821.11 km) |
| Guyancourt to Drogheda | 498.90 mi (802.90 km) |
| Guyancourt to Dublin | 480.13 mi (772.70 km) |
| Guyancourt to Dun Dealgan | 513.73 mi (826.77 km) |
| Guyancourt to Ennis | 557.89 mi (897.85 km) |
| Guyancourt to Enniscorthy | 457.55 mi (736.35 km) |
| Guyancourt to Finglas | 483.47 mi (778.06 km) |
| Guyancourt to Galway | 573.82 mi (923.47 km) |
| Guyancourt to Glanmire | 509.78 mi (820.41 km) |
| Guyancourt to Glencullen | 473.34 mi (761.76 km) |
