| Sundsvall to Popovo | 1,364.75 mi (2,196.35 km) |
| Sundsvall to Provadia | 1,389.54 mi (2,236.24 km) |
| Sundsvall to Radnevo | 1,432.66 mi (2,305.65 km) |
| Sundsvall to Radomir | 1,390.59 mi (2,237.94 km) |
| Sundsvall to Rakitovo | 1,437.63 mi (2,313.65 km) |
| Sundsvall to Rakovski | 1,424.27 mi (2,292.14 km) |
| Sundsvall to Razgrad | 1,355.46 mi (2,181.41 km) |
| Sundsvall to Razlog | 1,439.82 mi (2,317.17 km) |
| Sundsvall to Ruse | 1,329.84 mi (2,140.17 km) |
| Sundsvall to Samokov | 1,409.43 mi (2,268.26 km) |
| Sundsvall to Sandanski | 1,460.10 mi (2,349.80 km) |
| Sundsvall to Sevlievo | 1,375.52 mi (2,213.68 km) |
| Sundsvall to Shumen | 1,376.98 mi (2,216.03 km) |
| Sundsvall to Silistra | 1,324.82 mi (2,132.10 km) |
| Sundsvall to Sliven | 1,410.85 mi (2,270.54 km) |
