| Eustis to Popovo | 5,680.60 mi (9,142.05 km) |
| Eustis to Provadia | 5,737.46 mi (9,233.54 km) |
| Eustis to Radnevo | 5,707.01 mi (9,184.54 km) |
| Eustis to Radomir | 5,568.52 mi (8,961.67 km) |
| Eustis to Rakitovo | 5,638.37 mi (9,074.07 km) |
| Eustis to Rakovski | 5,665.66 mi (9,118.00 km) |
| Eustis to Razgrad | 5,685.69 mi (9,150.23 km) |
| Eustis to Razlog | 5,614.91 mi (9,036.32 km) |
| Eustis to Ruse | 5,651.20 mi (9,094.73 km) |
| Eustis to Samokov | 5,602.55 mi (9,016.44 km) |
| Eustis to Sandanski | 5,618.04 mi (9,041.37 km) |
| Eustis to Sevlievo | 5,644.98 mi (9,084.71 km) |
| Eustis to Shumen | 5,712.63 mi (9,193.60 km) |
| Eustis to Silistra | 5,694.72 mi (9,164.76 km) |
| Eustis to Sliven | 5,709.81 mi (9,189.05 km) |
