| Nogales to Popovo | 6,607.32 mi (10,633.45 km) |
| Nogales to Provadia | 6,651.57 mi (10,704.66 km) |
| Nogales to Radnevo | 6,657.24 mi (10,713.79 km) |
| Nogales to Radomir | 6,551.77 mi (10,544.05 km) |
| Nogales to Rakitovo | 6,618.20 mi (10,650.96 km) |
| Nogales to Rakovski | 6,628.58 mi (10,667.67 km) |
| Nogales to Razgrad | 6,605.29 mi (10,630.19 km) |
| Nogales to Razlog | 6,604.35 mi (10,628.67 km) |
| Nogales to Ruse | 6,572.63 mi (10,577.62 km) |
| Nogales to Samokov | 6,582.34 mi (10,593.26 km) |
| Nogales to Sandanski | 6,615.70 mi (10,646.93 km) |
| Nogales to Sevlievo | 6,592.18 mi (10,609.08 km) |
| Nogales to Shumen | 6,631.47 mi (10,672.33 km) |
| Nogales to Silistra | 6,593.67 mi (10,611.49 km) |
| Nogales to Sliven | 6,647.69 mi (10,698.42 km) |
