| Neuenburg am Rhein to Popovo | 951.31 mi (1,530.99 km) |
| Neuenburg am Rhein to Provadia | 1,010.80 mi (1,626.72 km) |
| Neuenburg am Rhein to Radnevo | 971.20 mi (1,563.00 km) |
| Neuenburg am Rhein to Radomir | 831.04 mi (1,337.44 km) |
| Neuenburg am Rhein to Rakitovo | 900.92 mi (1,449.89 km) |
| Neuenburg am Rhein to Rakovski | 928.67 mi (1,494.55 km) |
| Neuenburg am Rhein to Razgrad | 958.85 mi (1,543.12 km) |
| Neuenburg am Rhein to Razlog | 877.98 mi (1,412.97 km) |
| Neuenburg am Rhein to Ruse | 924.99 mi (1,488.63 km) |
| Neuenburg am Rhein to Samokov | 865.06 mi (1,392.18 km) |
| Neuenburg am Rhein to Sandanski | 882.24 mi (1,419.82 km) |
| Neuenburg am Rhein to Sevlievo | 910.72 mi (1,465.65 km) |
| Neuenburg am Rhein to Shumen | 985.09 mi (1,585.35 km) |
| Neuenburg am Rhein to Silistra | 976.93 mi (1,572.21 km) |
| Neuenburg am Rhein to Sliven | 976.44 mi (1,571.43 km) |
