| Guyancourt to Thouare-sur-Loire | 192.64 mi (310.03 km) |
| Guyancourt to Thouars | 163.27 mi (262.76 km) |
| Guyancourt to Tinqueux | 92.95 mi (149.59 km) |
| Guyancourt to Tomblaine | 188.65 mi (303.61 km) |
| Guyancourt to Tonneins | 314.12 mi (505.53 km) |
| Guyancourt to Torcy | 26.81 mi (43.14 km) |
| Guyancourt to Toul | 174.13 mi (280.23 km) |
| Guyancourt to Toulon | 431.70 mi (694.75 km) |
| Guyancourt to Toulouse | 358.26 mi (576.57 km) |
| Guyancourt to Tourcoing | 143.37 mi (230.73 km) |
| Guyancourt to Tourlaville | 175.47 mi (282.39 km) |
| Guyancourt to Tournan-en-Brie | 31.69 mi (51.00 km) |
| Guyancourt to Tournefeuille | 360.02 mi (579.39 km) |
| Guyancourt to Tournon-sur-Rhone | 287.10 mi (462.04 km) |
| Guyancourt to Tours | 114.66 mi (184.53 km) |
