| Guyancourt to Bitritto | 895.34 mi (1,440.90 km) |
| Guyancourt to Bollate | 398.51 mi (641.34 km) |
| Guyancourt to Bologna | 529.26 mi (851.77 km) |
| Guyancourt to Bolzano | 459.40 mi (739.34 km) |
| Guyancourt to Bomporto | 507.16 mi (816.20 km) |
| Guyancourt to Bonate di Sopra | 410.97 mi (661.39 km) |
| Guyancourt to Bondeno | 516.41 mi (831.08 km) |
| Guyancourt to Bordighera | 435.77 mi (701.30 km) |
| Guyancourt to Borgaro Torinese | 362.79 mi (583.86 km) |
| Guyancourt to Borgo a Buggiano | 533.05 mi (857.87 km) |
| Guyancourt to Borgo San Dalmazzo | 399.90 mi (643.58 km) |
| Guyancourt to Borgo San Lorenzo | 554.34 mi (892.12 km) |
| Guyancourt to Borgomanero | 367.19 mi (590.94 km) |
| Guyancourt to Borgoricco | 515.90 mi (830.27 km) |
| Guyancourt to Borgosatollo | 445.99 mi (717.75 km) |
