| Guyancourt to Devnya | 1,275.51 mi (2,052.73 km) |
| Guyancourt to Dimitrovgrad | 1,225.73 mi (1,972.63 km) |
| Guyancourt to Dobrich | 1,276.99 mi (2,055.12 km) |
| Guyancourt to Dospat | 1,176.99 mi (1,894.19 km) |
| Guyancourt to Dupnitsa | 1,108.85 mi (1,784.52 km) |
| Guyancourt to Elhovo | 1,264.66 mi (2,035.28 km) |
| Guyancourt to Etropole | 1,128.07 mi (1,815.45 km) |
| Guyancourt to Gabrovo | 1,186.31 mi (1,909.18 km) |
| Guyancourt to Gorna Oryahovitsa | 1,194.15 mi (1,921.80 km) |
| Guyancourt to Gotse Delchev | 1,161.19 mi (1,868.75 km) |
| Guyancourt to Harmanli | 1,243.10 mi (2,000.58 km) |
| Guyancourt to Haskovo | 1,228.35 mi (1,976.83 km) |
| Guyancourt to Ihtiman | 1,133.44 mi (1,824.09 km) |
| Guyancourt to Isperih | 1,227.36 mi (1,975.24 km) |
| Guyancourt to Kardzhali | 1,229.62 mi (1,978.89 km) |
