| Cities | Distance |
|---|---|
| Guyancourt to Alfena | 732.87 mi (1,179.45 km) |
| Guyancourt to Alijo | 695.82 mi (1,119.81 km) |
| Guyancourt to Aljustrel | 907.75 mi (1,460.89 km) |
| Guyancourt to Almada | 892.82 mi (1,436.85 km) |
| Guyancourt to Almargem | 886.93 mi (1,427.37 km) |
| Guyancourt to Almeirim | 846.70 mi (1,362.64 km) |
| Guyancourt to Amadora | 892.16 mi (1,435.79 km) |
| Guyancourt to Amarante | 715.84 mi (1,152.04 km) |
| Guyancourt to Amares | 706.72 mi (1,137.35 km) |
| Guyancourt to Amora | 894.65 mi (1,439.80 km) |
| Guyancourt to Anadia | 772.57 mi (1,243.33 km) |
| Guyancourt to Angra do Heroismo | 1,607.73 mi (2,587.39 km) |
| Guyancourt to Ansiao | 800.88 mi (1,288.89 km) |
| Guyancourt to Anta | 748.32 mi (1,204.31 km) |
| Guyancourt to Arcos de Valdevez | 697.98 mi (1,123.29 km) |