| Pirkkala to Popovo | 1,256.23 mi (2,021.70 km) |
| Pirkkala to Provadia | 1,272.80 mi (2,048.38 km) |
| Pirkkala to Radnevo | 1,327.67 mi (2,136.68 km) |
| Pirkkala to Radomir | 1,307.34 mi (2,103.96 km) |
| Pirkkala to Rakitovo | 1,346.29 mi (2,166.65 km) |
| Pirkkala to Rakovski | 1,326.21 mi (2,134.34 km) |
| Pirkkala to Razgrad | 1,244.64 mi (2,003.05 km) |
| Pirkkala to Razlog | 1,353.10 mi (2,177.61 km) |
| Pirkkala to Ruse | 1,222.69 mi (1,967.73 km) |
| Pirkkala to Samokov | 1,321.73 mi (2,127.12 km) |
| Pirkkala to Sandanski | 1,374.95 mi (2,212.76 km) |
| Pirkkala to Sevlievo | 1,275.58 mi (2,052.85 km) |
| Pirkkala to Shumen | 1,263.57 mi (2,033.52 km) |
| Pirkkala to Silistra | 1,207.74 mi (1,943.67 km) |
| Pirkkala to Sliven | 1,302.53 mi (2,096.22 km) |
