| Guyancourt to Popovo | 1,211.34 mi (1,949.47 km) |
| Guyancourt to Provadia | 1,270.52 mi (2,044.70 km) |
| Guyancourt to Radnevo | 1,231.92 mi (1,982.59 km) |
| Guyancourt to Radomir | 1,091.39 mi (1,756.43 km) |
| Guyancourt to Rakitovo | 1,161.22 mi (1,868.80 km) |
| Guyancourt to Rakovski | 1,189.36 mi (1,914.09 km) |
| Guyancourt to Razgrad | 1,218.53 mi (1,961.03 km) |
| Guyancourt to Razlog | 1,137.87 mi (1,831.22 km) |
| Guyancourt to Ruse | 1,184.53 mi (1,906.31 km) |
| Guyancourt to Samokov | 1,125.45 mi (1,811.24 km) |
| Guyancourt to Sandanski | 1,141.56 mi (1,837.16 km) |
| Guyancourt to Sevlievo | 1,171.33 mi (1,885.08 km) |
| Guyancourt to Shumen | 1,244.91 mi (2,003.49 km) |
| Guyancourt to Silistra | 1,235.18 mi (1,987.83 km) |
| Guyancourt to Sliven | 1,236.99 mi (1,990.75 km) |
