| Rennes to Popovo | 1,377.57 mi (2,216.99 km) |
| Rennes to Provadia | 1,437.48 mi (2,313.40 km) |
| Rennes to Radnevo | 1,394.34 mi (2,243.97 km) |
| Rennes to Radomir | 1,250.27 mi (2,012.12 km) |
| Rennes to Rakitovo | 1,319.67 mi (2,123.81 km) |
| Rennes to Rakovski | 1,350.37 mi (2,173.22 km) |
| Rennes to Razgrad | 1,385.61 mi (2,229.93 km) |
| Rennes to Razlog | 1,294.84 mi (2,083.85 km) |
| Rennes to Ruse | 1,351.94 mi (2,175.73 km) |
| Rennes to Samokov | 1,284.46 mi (2,067.14 km) |
| Rennes to Sandanski | 1,296.85 mi (2,087.08 km) |
| Rennes to Sevlievo | 1,335.19 mi (2,148.79 km) |
| Rennes to Shumen | 1,411.66 mi (2,271.85 km) |
| Rennes to Silistra | 1,404.59 mi (2,260.47 km) |
| Rennes to Sliven | 1,401.20 mi (2,255.02 km) |
