| Oudenaarde to Provadia | 1,234.07 mi (1,986.05 km) |
| Oudenaarde to Radnevo | 1,207.26 mi (1,942.90 km) |
| Oudenaarde to Radomir | 1,076.53 mi (1,732.50 km) |
| Oudenaarde to Rakitovo | 1,146.19 mi (1,844.62 km) |
| Oudenaarde to Rakovski | 1,168.43 mi (1,880.41 km) |
| Oudenaarde to Razgrad | 1,182.33 mi (1,902.78 km) |
| Oudenaarde to Razlog | 1,126.23 mi (1,812.49 km) |
| Oudenaarde to Ruse | 1,147.84 mi (1,847.27 km) |
| Oudenaarde to Samokov | 1,109.79 mi (1,786.04 km) |
| Oudenaarde to Sandanski | 1,133.20 mi (1,823.71 km) |
| Oudenaarde to Sevlievo | 1,144.00 mi (1,841.09 km) |
| Oudenaarde to Shumen | 1,209.31 mi (1,946.19 km) |
| Oudenaarde to Silistra | 1,192.10 mi (1,918.49 km) |
| Oudenaarde to Sliven | 1,207.99 mi (1,944.08 km) |
| Oudenaarde to Smolyan | 1,188.29 mi (1,912.37 km) |
