| Denison to Popovo | 6,004.70 mi (9,663.62 km) |
| Denison to Provadia | 6,054.92 mi (9,744.45 km) |
| Denison to Radnevo | 6,045.81 mi (9,729.79 km) |
| Denison to Radomir | 5,925.13 mi (9,535.58 km) |
| Denison to Rakitovo | 5,994.04 mi (9,646.47 km) |
| Denison to Rakovski | 6,011.48 mi (9,674.54 km) |
| Denison to Razgrad | 6,005.57 mi (9,665.02 km) |
| Denison to Razlog | 5,976.07 mi (9,617.56 km) |
| Denison to Ruse | 5,971.58 mi (9,610.33 km) |
| Denison to Samokov | 5,957.61 mi (9,587.85 km) |
| Denison to Sandanski | 5,984.29 mi (9,630.78 km) |
| Denison to Sevlievo | 5,980.88 mi (9,625.30 km) |
| Denison to Shumen | 6,032.52 mi (9,708.40 km) |
| Denison to Silistra | 6,002.29 mi (9,659.75 km) |
| Denison to Sliven | 6,041.16 mi (9,722.31 km) |
