| Niort to Popovo | 1,317.47 mi (2,120.27 km) |
| Niort to Provadia | 1,378.38 mi (2,218.28 km) |
| Niort to Radnevo | 1,327.62 mi (2,136.60 km) |
| Niort to Radomir | 1,179.36 mi (1,897.99 km) |
| Niort to Rakitovo | 1,247.63 mi (2,007.87 km) |
| Niort to Rakovski | 1,281.80 mi (2,062.85 km) |
| Niort to Razgrad | 1,327.07 mi (2,135.71 km) |
| Niort to Razlog | 1,220.99 mi (1,964.99 km) |
| Niort to Ruse | 1,294.25 mi (2,082.90 km) |
| Niort to Samokov | 1,213.45 mi (1,952.86 km) |
| Niort to Sandanski | 1,220.81 mi (1,964.71 km) |
| Niort to Sevlievo | 1,271.23 mi (2,045.85 km) |
| Niort to Shumen | 1,352.32 mi (2,176.35 km) |
| Niort to Silistra | 1,350.72 mi (2,173.78 km) |
| Niort to Sliven | 1,337.38 mi (2,152.30 km) |
