| Porvoo to Popovo | 1,177.89 mi (1,895.64 km) |
| Porvoo to Provadia | 1,191.47 mi (1,917.48 km) |
| Porvoo to Radnevo | 1,250.25 mi (2,012.09 km) |
| Porvoo to Radomir | 1,238.19 mi (1,992.68 km) |
| Porvoo to Rakitovo | 1,273.83 mi (2,050.04 km) |
| Porvoo to Rakovski | 1,251.35 mi (2,013.85 km) |
| Porvoo to Razgrad | 1,165.53 mi (1,875.74 km) |
| Porvoo to Razlog | 1,282.36 mi (2,063.76 km) |
| Porvoo to Ruse | 1,145.03 mi (1,842.75 km) |
| Porvoo to Samokov | 1,250.79 mi (2,012.96 km) |
| Porvoo to Sandanski | 1,304.68 mi (2,099.68 km) |
| Porvoo to Sevlievo | 1,200.29 mi (1,931.68 km) |
| Porvoo to Shumen | 1,183.45 mi (1,904.58 km) |
| Porvoo to Silistra | 1,126.59 mi (1,813.07 km) |
| Porvoo to Sliven | 1,224.04 mi (1,969.90 km) |
