| Quincy to Popovo | 4,616.88 mi (7,430.14 km) |
| Quincy to Provadia | 4,671.87 mi (7,518.65 km) |
| Quincy to Radnevo | 4,648.50 mi (7,481.04 km) |
| Quincy to Radomir | 4,515.83 mi (7,267.52 km) |
| Quincy to Rakitovo | 4,585.72 mi (7,380.00 km) |
| Quincy to Rakovski | 4,609.46 mi (7,418.21 km) |
| Quincy to Razgrad | 4,620.60 mi (7,436.14 km) |
| Quincy to Razlog | 4,564.26 mi (7,345.47 km) |
| Quincy to Ruse | 4,586.09 mi (7,380.59 km) |
| Quincy to Samokov | 4,549.46 mi (7,321.65 km) |
| Quincy to Sandanski | 4,569.44 mi (7,353.80 km) |
| Quincy to Sevlievo | 4,585.09 mi (7,378.99 km) |
| Quincy to Shumen | 4,647.70 mi (7,479.75 km) |
| Quincy to Silistra | 4,625.79 mi (7,444.48 km) |
| Quincy to Sliven | 4,648.71 mi (7,481.37 km) |
