| Menlo Park to Popovo | 6,511.57 mi (10,479.36 km) |
| Menlo Park to Provadia | 6,546.83 mi (10,536.11 km) |
| Menlo Park to Radnevo | 6,571.07 mi (10,575.12 km) |
| Menlo Park to Radomir | 6,488.89 mi (10,442.86 km) |
| Menlo Park to Rakitovo | 6,549.88 mi (10,541.01 km) |
| Menlo Park to Rakovski | 6,550.69 mi (10,542.32 km) |
| Menlo Park to Razgrad | 6,505.96 mi (10,470.33 km) |
| Menlo Park to Razlog | 6,541.93 mi (10,528.22 km) |
| Menlo Park to Ruse | 6,476.03 mi (10,422.17 km) |
| Menlo Park to Samokov | 6,515.95 mi (10,486.41 km) |
| Menlo Park to Sandanski | 6,557.09 mi (10,552.61 km) |
| Menlo Park to Sevlievo | 6,507.98 mi (10,473.57 km) |
| Menlo Park to Shumen | 6,530.30 mi (10,509.50 km) |
| Menlo Park to Silistra | 6,484.32 mi (10,435.50 km) |
| Menlo Park to Sliven | 6,555.55 mi (10,550.15 km) |
