| American Canyon to Popovo | 6,468.05 mi (10,409.32 km) |
| American Canyon to Provadia | 6,503.02 mi (10,465.59 km) |
| American Canyon to Radnevo | 6,527.81 mi (10,505.50 km) |
| American Canyon to Radomir | 6,446.43 mi (10,374.53 km) |
| American Canyon to Rakitovo | 6,507.21 mi (10,472.34 km) |
| American Canyon to Rakovski | 6,507.71 mi (10,473.15 km) |
| American Canyon to Razgrad | 6,462.33 mi (10,400.11 km) |
| American Canyon to Razlog | 6,499.45 mi (10,459.86 km) |
| American Canyon to Ruse | 6,432.50 mi (10,352.12 km) |
| American Canyon to Samokov | 6,473.36 mi (10,417.87 km) |
| American Canyon to Sandanski | 6,514.73 mi (10,484.44 km) |
| American Canyon to Sevlievo | 6,464.82 mi (10,404.12 km) |
| American Canyon to Shumen | 6,486.60 mi (10,439.18 km) |
| American Canyon to Silistra | 6,440.39 mi (10,364.81 km) |
| American Canyon to Sliven | 6,512.12 mi (10,480.24 km) |
