| Grande-Synthe to Popovo | 1,234.88 mi (1,987.35 km) |
| Grande-Synthe to Provadia | 1,291.53 mi (2,078.52 km) |
| Grande-Synthe to Radnevo | 1,264.23 mi (2,034.59 km) |
| Grande-Synthe to Radomir | 1,132.77 mi (1,823.02 km) |
| Grande-Synthe to Rakitovo | 1,202.50 mi (1,935.24 km) |
| Grande-Synthe to Rakovski | 1,225.16 mi (1,971.71 km) |
| Grande-Synthe to Razgrad | 1,239.77 mi (1,995.22 km) |
| Grande-Synthe to Razlog | 1,182.25 mi (1,902.65 km) |
| Grande-Synthe to Ruse | 1,205.28 mi (1,939.71 km) |
| Grande-Synthe to Samokov | 1,166.12 mi (1,876.69 km) |
| Grande-Synthe to Sandanski | 1,188.94 mi (1,913.42 km) |
| Grande-Synthe to Sevlievo | 1,201.08 mi (1,932.95 km) |
| Grande-Synthe to Shumen | 1,266.73 mi (2,038.61 km) |
| Grande-Synthe to Silistra | 1,249.68 mi (2,011.16 km) |
| Grande-Synthe to Sliven | 1,265.17 mi (2,036.10 km) |
