| Vallejo to Popovo | 6,471.84 mi (10,415.42 km) |
| Vallejo to Provadia | 6,506.84 mi (10,471.75 km) |
| Vallejo to Radnevo | 6,531.57 mi (10,511.54 km) |
| Vallejo to Radomir | 6,450.08 mi (10,380.41 km) |
| Vallejo to Rakitovo | 6,510.89 mi (10,478.26 km) |
| Vallejo to Rakovski | 6,511.43 mi (10,479.13 km) |
| Vallejo to Razgrad | 6,466.13 mi (10,406.23 km) |
| Vallejo to Razlog | 6,503.11 mi (10,465.74 km) |
| Vallejo to Ruse | 6,436.29 mi (10,358.21 km) |
| Vallejo to Samokov | 6,477.03 mi (10,423.78 km) |
| Vallejo to Sandanski | 6,518.37 mi (10,490.30 km) |
| Vallejo to Sevlievo | 6,468.56 mi (10,410.14 km) |
| Vallejo to Shumen | 6,490.41 mi (10,445.31 km) |
| Vallejo to Silistra | 6,444.23 mi (10,370.99 km) |
| Vallejo to Sliven | 6,515.89 mi (10,486.32 km) |
