| Truckee to Popovo | 6,350.18 mi (10,219.63 km) |
| Truckee to Provadia | 6,386.06 mi (10,277.38 km) |
| Truckee to Radnevo | 6,409.16 mi (10,314.54 km) |
| Truckee to Radomir | 6,325.56 mi (10,180.00 km) |
| Truckee to Rakitovo | 6,386.90 mi (10,278.73 km) |
| Truckee to Rakovski | 6,388.26 mi (10,280.92 km) |
| Truckee to Razgrad | 6,344.79 mi (10,210.95 km) |
| Truckee to Razlog | 6,378.62 mi (10,265.40 km) |
| Truckee to Ruse | 6,314.66 mi (10,162.46 km) |
| Truckee to Samokov | 6,352.84 mi (10,223.90 km) |
| Truckee to Sandanski | 6,393.59 mi (10,289.49 km) |
| Truckee to Sevlievo | 6,345.87 mi (10,212.70 km) |
| Truckee to Shumen | 6,369.28 mi (10,250.37 km) |
| Truckee to Silistra | 6,323.78 mi (10,177.14 km) |
| Truckee to Sliven | 6,393.99 mi (10,290.13 km) |
