| Auburn Hills to Popovo | 5,065.95 mi (8,152.87 km) |
| Auburn Hills to Provadia | 5,117.39 mi (8,235.65 km) |
| Auburn Hills to Radnevo | 5,105.06 mi (8,215.81 km) |
| Auburn Hills to Radomir | 4,981.86 mi (8,017.53 km) |
| Auburn Hills to Rakitovo | 5,051.04 mi (8,128.87 km) |
| Auburn Hills to Rakovski | 5,069.71 mi (8,158.91 km) |
| Auburn Hills to Razgrad | 5,067.48 mi (8,155.32 km) |
| Auburn Hills to Razlog | 5,032.42 mi (8,098.90 km) |
| Auburn Hills to Ruse | 5,033.31 mi (8,100.32 km) |
| Auburn Hills to Samokov | 5,014.59 mi (8,070.21 km) |
| Auburn Hills to Sandanski | 5,040.13 mi (8,111.30 km) |
| Auburn Hills to Sevlievo | 5,040.35 mi (8,111.65 km) |
| Auburn Hills to Shumen | 5,094.53 mi (8,198.85 km) |
| Auburn Hills to Silistra | 5,066.23 mi (8,153.31 km) |
| Auburn Hills to Sliven | 5,101.46 mi (8,210.00 km) |
