| Modesto to Popovo | 6,476.05 mi (10,422.19 km) |
| Modesto to Provadia | 6,512.00 mi (10,480.05 km) |
| Modesto to Radnevo | 6,534.94 mi (10,516.97 km) |
| Modesto to Radomir | 6,451.02 mi (10,381.91 km) |
| Modesto to Rakitovo | 6,512.46 mi (10,480.80 km) |
| Modesto to Rakovski | 6,513.95 mi (10,483.19 km) |
| Modesto to Razgrad | 6,470.68 mi (10,413.56 km) |
| Modesto to Razlog | 6,504.09 mi (10,467.32 km) |
| Modesto to Ruse | 6,440.53 mi (10,365.02 km) |
| Modesto to Samokov | 6,478.36 mi (10,425.91 km) |
| Modesto to Sandanski | 6,519.00 mi (10,491.32 km) |
| Modesto to Sevlievo | 6,471.62 mi (10,415.07 km) |
| Modesto to Shumen | 6,495.19 mi (10,453.00 km) |
| Modesto to Silistra | 6,449.74 mi (10,379.85 km) |
| Modesto to Sliven | 6,519.83 mi (10,492.64 km) |
