| Pierre to Popovo | 5,540.09 mi (8,915.91 km) |
| Pierre to Provadia | 5,584.36 mi (8,987.16 km) |
| Pierre to Radnevo | 5,590.15 mi (8,996.48 km) |
| Pierre to Radomir | 5,485.61 mi (8,828.23 km) |
| Pierre to Rakitovo | 5,551.79 mi (8,934.74 km) |
| Pierre to Rakovski | 5,561.73 mi (8,950.74 km) |
| Pierre to Razgrad | 5,538.05 mi (8,912.64 km) |
| Pierre to Razlog | 5,538.28 mi (8,913.00 km) |
| Pierre to Ruse | 5,505.39 mi (8,860.07 km) |
| Pierre to Samokov | 5,516.00 mi (8,877.15 km) |
| Pierre to Sandanski | 5,549.90 mi (8,931.71 km) |
| Pierre to Sevlievo | 5,525.11 mi (8,891.80 km) |
| Pierre to Shumen | 5,564.24 mi (8,954.78 km) |
| Pierre to Silistra | 5,526.56 mi (8,894.14 km) |
| Pierre to Sliven | 5,580.49 mi (8,980.93 km) |
