| Cities | Distance |
|---|---|
| Guyancourt to Tricase | 1,006.84 mi (1,620.36 km) |
| Guyancourt to Trieste | 589.05 mi (947.98 km) |
| Guyancourt to Triggiano | 897.83 mi (1,444.92 km) |
| Guyancourt to Trinitapoli | 853.06 mi (1,372.87 km) |
| Guyancourt to Trissino | 488.99 mi (786.96 km) |
| Guyancourt to Triuggio | 399.68 mi (643.23 km) |
| Guyancourt to Trofarello | 373.90 mi (601.74 km) |
| Guyancourt to Troina | 983.98 mi (1,583.56 km) |
| Guyancourt to Turin | 367.19 mi (590.93 km) |
| Guyancourt to Udine | 553.54 mi (890.84 km) |
| Guyancourt to Ugento | 999.07 mi (1,607.85 km) |
| Guyancourt to Umbertide | 619.64 mi (997.22 km) |
| Guyancourt to Urbino | 612.55 mi (985.81 km) |
| Guyancourt to Urgnano | 419.44 mi (675.02 km) |
| Guyancourt to Usmate Velate | 403.64 mi (649.60 km) |