| Norco to Popovo | 6,629.60 mi (10,669.32 km) |
| Norco to Provadia | 6,669.02 mi (10,732.75 km) |
| Norco to Radnevo | 6,685.11 mi (10,758.65 km) |
| Norco to Radomir | 6,592.12 mi (10,608.99 km) |
| Norco to Rakitovo | 6,655.84 mi (10,711.54 km) |
| Norco to Rakovski | 6,660.94 mi (10,719.75 km) |
| Norco to Razgrad | 6,625.56 mi (10,662.80 km) |
| Norco to Razlog | 6,645.20 mi (10,694.42 km) |
| Norco to Ruse | 6,594.28 mi (10,612.46 km) |
| Norco to Samokov | 6,620.89 mi (10,655.29 km) |
| Norco to Sandanski | 6,658.72 mi (10,716.17 km) |
| Norco to Sevlievo | 6,620.84 mi (10,655.22 km) |
| Norco to Shumen | 6,650.83 mi (10,703.48 km) |
| Norco to Silistra | 6,608.26 mi (10,634.97 km) |
| Norco to Sliven | 6,672.18 mi (10,737.84 km) |
