| Noblesville to Popovo | 5,296.13 mi (8,523.31 km) |
| Noblesville to Provadia | 5,347.80 mi (8,606.45 km) |
| Noblesville to Radnevo | 5,334.78 mi (8,585.49 km) |
| Noblesville to Radomir | 5,210.79 mi (8,385.95 km) |
| Noblesville to Rakitovo | 5,280.06 mi (8,497.44 km) |
| Noblesville to Rakovski | 5,299.14 mi (8,528.14 km) |
| Noblesville to Razgrad | 5,297.79 mi (8,525.97 km) |
| Noblesville to Razlog | 5,261.19 mi (8,467.07 km) |
| Noblesville to Ruse | 5,263.58 mi (8,470.92 km) |
| Noblesville to Samokov | 5,243.61 mi (8,438.78 km) |
| Noblesville to Sandanski | 5,268.68 mi (8,479.12 km) |
| Noblesville to Sevlievo | 5,270.12 mi (8,481.44 km) |
| Noblesville to Shumen | 5,324.85 mi (8,569.52 km) |
| Noblesville to Silistra | 5,296.88 mi (8,524.50 km) |
| Noblesville to Sliven | 5,331.42 mi (8,580.09 km) |
