| Saint-Nazaire to Popovo | 1,400.38 mi (2,253.69 km) |
| Saint-Nazaire to Provadia | 1,460.81 mi (2,350.95 km) |
| Saint-Nazaire to Radnevo | 1,413.99 mi (2,275.59 km) |
| Saint-Nazaire to Radomir | 1,267.67 mi (2,040.12 km) |
| Saint-Nazaire to Rakitovo | 1,336.58 mi (2,151.02 km) |
| Saint-Nazaire to Rakovski | 1,369.06 mi (2,203.29 km) |
| Saint-Nazaire to Razgrad | 1,409.15 mi (2,267.81 km) |
| Saint-Nazaire to Razlog | 1,310.79 mi (2,109.51 km) |
| Saint-Nazaire to Ruse | 1,375.84 mi (2,214.20 km) |
| Saint-Nazaire to Samokov | 1,301.85 mi (2,095.13 km) |
| Saint-Nazaire to Sandanski | 1,311.66 mi (2,110.92 km) |
| Saint-Nazaire to Sevlievo | 1,356.12 mi (2,182.46 km) |
| Saint-Nazaire to Shumen | 1,434.86 mi (2,309.18 km) |
| Saint-Nazaire to Silistra | 1,430.29 mi (2,301.82 km) |
| Saint-Nazaire to Sliven | 1,422.26 mi (2,288.91 km) |
