| Kauniainen to Popovo | 1,167.06 mi (1,878.21 km) |
| Kauniainen to Provadia | 1,182.32 mi (1,902.75 km) |
| Kauniainen to Radnevo | 1,238.96 mi (1,993.91 km) |
| Kauniainen to Radomir | 1,222.96 mi (1,968.16 km) |
| Kauniainen to Rakitovo | 1,260.11 mi (2,027.95 km) |
| Kauniainen to Rakovski | 1,238.76 mi (1,993.60 km) |
| Kauniainen to Razgrad | 1,155.11 mi (1,858.98 km) |
| Kauniainen to Razlog | 1,267.85 mi (2,040.41 km) |
| Kauniainen to Ruse | 1,133.83 mi (1,824.72 km) |
| Kauniainen to Samokov | 1,236.36 mi (1,989.73 km) |
| Kauniainen to Sandanski | 1,289.97 mi (2,076.00 km) |
| Kauniainen to Sevlievo | 1,187.90 mi (1,911.74 km) |
| Kauniainen to Shumen | 1,173.60 mi (1,888.73 km) |
| Kauniainen to Silistra | 1,117.31 mi (1,798.13 km) |
| Kauniainen to Sliven | 1,213.31 mi (1,952.63 km) |
