| Concarneau to Popovo | 1,480.42 mi (2,382.51 km) |
| Concarneau to Provadia | 1,540.52 mi (2,479.22 km) |
| Concarneau to Radnevo | 1,496.00 mi (2,407.59 km) |
| Concarneau to Radomir | 1,350.90 mi (2,174.07 km) |
| Concarneau to Rakitovo | 1,420.09 mi (2,285.41 km) |
| Concarneau to Rakovski | 1,451.62 mi (2,336.15 km) |
| Concarneau to Razgrad | 1,488.71 mi (2,395.84 km) |
| Concarneau to Razlog | 1,394.78 mi (2,244.68 km) |
| Concarneau to Ruse | 1,455.14 mi (2,341.82 km) |
| Concarneau to Samokov | 1,385.10 mi (2,229.10 km) |
| Concarneau to Sandanski | 1,396.20 mi (2,246.97 km) |
| Concarneau to Sevlievo | 1,437.36 mi (2,313.20 km) |
| Concarneau to Shumen | 1,514.65 mi (2,437.59 km) |
| Concarneau to Silistra | 1,508.31 mi (2,427.39 km) |
| Concarneau to Sliven | 1,503.43 mi (2,419.54 km) |
