| Concord to Popovo | 6,475.96 mi (10,422.04 km) |
| Concord to Provadia | 6,511.15 mi (10,478.69 km) |
| Concord to Radnevo | 6,535.51 mi (10,517.89 km) |
| Concord to Radomir | 6,453.52 mi (10,385.94 km) |
| Concord to Rakitovo | 6,514.46 mi (10,484.01 km) |
| Concord to Rakovski | 6,515.20 mi (10,485.20 km) |
| Concord to Razgrad | 6,470.32 mi (10,412.97 km) |
| Concord to Razlog | 6,506.56 mi (10,471.30 km) |
| Concord to Ruse | 6,440.41 mi (10,364.85 km) |
| Concord to Samokov | 6,480.55 mi (10,429.44 km) |
| Concord to Sandanski | 6,521.75 mi (10,495.74 km) |
| Concord to Sevlievo | 6,472.44 mi (10,416.38 km) |
| Concord to Shumen | 6,494.65 mi (10,452.12 km) |
| Concord to Silistra | 6,448.62 mi (10,378.05 km) |
| Concord to Sliven | 6,519.96 mi (10,492.85 km) |
