| Penafiel to Popovo | 1,758.17 mi (2,829.50 km) |
| Penafiel to Provadia | 1,819.54 mi (2,928.26 km) |
| Penafiel to Radnevo | 1,753.44 mi (2,821.89 km) |
| Penafiel to Radomir | 1,600.39 mi (2,575.59 km) |
| Penafiel to Rakitovo | 1,663.35 mi (2,676.90 km) |
| Penafiel to Rakovski | 1,704.72 mi (2,743.47 km) |
| Penafiel to Razgrad | 1,770.73 mi (2,849.71 km) |
| Penafiel to Razlog | 1,633.15 mi (2,628.30 km) |
| Penafiel to Ruse | 1,740.53 mi (2,801.11 km) |
| Penafiel to Samokov | 1,632.96 mi (2,627.99 km) |
| Penafiel to Sandanski | 1,627.33 mi (2,618.93 km) |
| Penafiel to Sevlievo | 1,705.01 mi (2,743.95 km) |
| Penafiel to Shumen | 1,793.66 mi (2,886.62 km) |
| Penafiel to Silistra | 1,803.00 mi (2,901.65 km) |
| Penafiel to Sliven | 1,769.48 mi (2,847.71 km) |
