| San Angelo to Popovo | 6,268.05 mi (10,087.45 km) |
| San Angelo to Provadia | 6,317.50 mi (10,167.03 km) |
| San Angelo to Radnevo | 6,310.44 mi (10,155.67 km) |
| San Angelo to Radomir | 6,191.63 mi (9,964.47 km) |
| San Angelo to Rakitovo | 6,260.30 mi (10,074.98 km) |
| San Angelo to Rakovski | 6,276.83 mi (10,101.58 km) |
| San Angelo to Razgrad | 6,268.51 mi (10,088.19 km) |
| San Angelo to Razlog | 6,242.84 mi (10,046.88 km) |
| San Angelo to Ruse | 6,234.67 mi (10,033.73 km) |
| San Angelo to Samokov | 6,223.90 mi (10,016.40 km) |
| San Angelo to Sandanski | 6,251.46 mi (10,060.75 km) |
| San Angelo to Sevlievo | 6,245.41 mi (10,051.01 km) |
| San Angelo to Shumen | 6,295.39 mi (10,131.46 km) |
| San Angelo to Silistra | 6,264.02 mi (10,080.97 km) |
| San Angelo to Sliven | 6,305.12 mi (10,147.10 km) |
