| Apache Junction to Popovo | 6,502.27 mi (10,464.39 km) |
| Apache Junction to Provadia | 6,545.42 mi (10,533.84 km) |
| Apache Junction to Radnevo | 6,553.57 mi (10,546.95 km) |
| Apache Junction to Radomir | 6,451.02 mi (10,381.92 km) |
| Apache Junction to Rakitovo | 6,516.86 mi (10,487.87 km) |
| Apache Junction to Rakovski | 6,525.96 mi (10,502.52 km) |
| Apache Junction to Razgrad | 6,499.76 mi (10,460.35 km) |
| Apache Junction to Razlog | 6,503.78 mi (10,466.83 km) |
| Apache Junction to Ruse | 6,467.39 mi (10,408.25 km) |
| Apache Junction to Samokov | 6,481.19 mi (10,430.46 km) |
| Apache Junction to Sandanski | 6,515.68 mi (10,485.98 km) |
| Apache Junction to Sevlievo | 6,488.63 mi (10,442.44 km) |
| Apache Junction to Shumen | 6,525.76 mi (10,502.19 km) |
| Apache Junction to Silistra | 6,486.80 mi (10,439.50 km) |
| Apache Junction to Sliven | 6,543.20 mi (10,530.26 km) |
