| Guyancourt to Barcellona-Pozzo di Gotto | 983.62 mi (1,582.98 km) |
| Guyancourt to Bareggio | 396.82 mi (638.62 km) |
| Guyancourt to Barga | 514.89 mi (828.64 km) |
| Guyancourt to Bari | 893.20 mi (1,437.47 km) |
| Guyancourt to Barletta | 861.71 mi (1,386.78 km) |
| Guyancourt to Baronissi | 831.98 mi (1,338.94 km) |
| Guyancourt to Barrafranca | 995.19 mi (1,601.60 km) |
| Guyancourt to Bassano del Grappa | 497.75 mi (801.05 km) |
| Guyancourt to Battipaglia | 846.16 mi (1,361.76 km) |
| Guyancourt to Beinasco | 367.19 mi (590.94 km) |
| Guyancourt to Bellinzago Novarese | 378.49 mi (609.13 km) |
| Guyancourt to Belluno | 507.04 mi (815.99 km) |
| Guyancourt to Belmonte Mezzagno | 931.13 mi (1,498.51 km) |
| Guyancourt to Belpasso | 1,007.42 mi (1,621.29 km) |
| Guyancourt to Belvedere Marittimo | 928.47 mi (1,494.22 km) |
