| Guyancourt to Tuam | 574.94 mi (925.27 km) |
| Guyancourt to Tullamore | 518.54 mi (834.51 km) |
| Guyancourt to Waterford | 470.11 mi (756.57 km) |
| Guyancourt to Wexford | 447.73 mi (720.56 km) |
| Guyancourt to Wicklow | 457.13 mi (735.68 km) |
| Guyancourt to Abano Terme | 513.91 mi (827.05 km) |
| Guyancourt to Abbiategrasso | 397.11 mi (639.09 km) |
| Guyancourt to Acate | 1,023.30 mi (1,646.85 km) |
| Guyancourt to Acerra | 807.19 mi (1,299.05 km) |
| Guyancourt to Aci Castello | 1,014.19 mi (1,632.19 km) |
| Guyancourt to Aci Catena | 1,011.31 mi (1,627.55 km) |
| Guyancourt to Aci Sant'Antonio | 1,010.77 mi (1,626.68 km) |
| Guyancourt to Acireale | 1,011.46 mi (1,627.78 km) |
| Guyancourt to Acquaviva delle Fonti | 902.89 mi (1,453.05 km) |
| Guyancourt to Acqui Terme | 414.22 mi (666.63 km) |
