| Frisco to Popovo | 6,046.61 mi (9,731.07 km) |
| Frisco to Provadia | 6,096.96 mi (9,812.11 km) |
| Frisco to Radnevo | 6,087.48 mi (9,796.85 km) |
| Frisco to Radomir | 5,966.43 mi (9,602.04 km) |
| Frisco to Rakitovo | 6,035.38 mi (9,713.01 km) |
| Frisco to Rakovski | 6,053.01 mi (9,741.38 km) |
| Frisco to Razgrad | 6,047.55 mi (9,732.59 km) |
| Frisco to Razlog | 6,017.30 mi (9,683.91 km) |
| Frisco to Ruse | 6,013.54 mi (9,677.86 km) |
| Frisco to Samokov | 5,998.95 mi (9,654.38 km) |
| Frisco to Sandanski | 6,025.42 mi (9,696.98 km) |
| Frisco to Sevlievo | 6,022.58 mi (9,692.40 km) |
| Frisco to Shumen | 6,074.51 mi (9,775.98 km) |
| Frisco to Silistra | 6,044.47 mi (9,727.63 km) |
| Frisco to Sliven | 6,082.97 mi (9,789.59 km) |
