| Cusset to Popovo | 1,130.18 mi (1,818.85 km) |
| Cusset to Provadia | 1,191.16 mi (1,916.99 km) |
| Cusset to Radnevo | 1,139.96 mi (1,834.58 km) |
| Cusset to Radomir | 991.79 mi (1,596.13 km) |
| Cusset to Rakitovo | 1,060.16 mi (1,706.16 km) |
| Cusset to Rakovski | 1,094.15 mi (1,760.86 km) |
| Cusset to Razgrad | 1,139.96 mi (1,834.58 km) |
| Cusset to Razlog | 1,033.68 mi (1,663.55 km) |
| Cusset to Ruse | 1,107.28 mi (1,781.99 km) |
| Cusset to Samokov | 1,025.89 mi (1,651.02 km) |
| Cusset to Sandanski | 1,033.80 mi (1,663.74 km) |
| Cusset to Sevlievo | 1,083.65 mi (1,743.96 km) |
| Cusset to Shumen | 1,165.09 mi (1,875.04 km) |
| Cusset to Silistra | 1,164.34 mi (1,873.82 km) |
| Cusset to Sliven | 1,149.79 mi (1,850.40 km) |
