| Sudbury to Popovo | 1,354.02 mi (2,179.09 km) |
| Sudbury to Provadia | 1,410.53 mi (2,270.03 km) |
| Sudbury to Radnevo | 1,383.54 mi (2,226.60 km) |
| Sudbury to Radomir | 1,251.85 mi (2,014.65 km) |
| Sudbury to Rakitovo | 1,321.60 mi (2,126.92 km) |
| Sudbury to Rakovski | 1,344.44 mi (2,163.67 km) |
| Sudbury to Razgrad | 1,358.81 mi (2,186.79 km) |
| Sudbury to Razlog | 1,301.19 mi (2,094.06 km) |
| Sudbury to Ruse | 1,324.31 mi (2,131.27 km) |
| Sudbury to Samokov | 1,285.24 mi (2,068.40 km) |
| Sudbury to Sandanski | 1,307.68 mi (2,104.51 km) |
| Sudbury to Sevlievo | 1,320.38 mi (2,124.95 km) |
| Sudbury to Shumen | 1,385.79 mi (2,230.21 km) |
| Sudbury to Silistra | 1,368.27 mi (2,202.01 km) |
| Sudbury to Sliven | 1,384.45 mi (2,228.05 km) |
