| Colfontaine to Provadia | 1,215.19 mi (1,955.67 km) |
| Colfontaine to Radnevo | 1,186.36 mi (1,909.26 km) |
| Colfontaine to Radomir | 1,053.91 mi (1,696.11 km) |
| Colfontaine to Rakitovo | 1,123.70 mi (1,808.41 km) |
| Colfontaine to Rakovski | 1,146.88 mi (1,845.72 km) |
| Colfontaine to Razgrad | 1,163.35 mi (1,872.23 km) |
| Colfontaine to Razlog | 1,103.20 mi (1,775.43 km) |
| Colfontaine to Ruse | 1,128.90 mi (1,816.78 km) |
| Colfontaine to Samokov | 1,087.35 mi (1,749.92 km) |
| Colfontaine to Sandanski | 1,109.70 mi (1,785.88 km) |
| Colfontaine to Sevlievo | 1,123.46 mi (1,808.03 km) |
| Colfontaine to Shumen | 1,190.25 mi (1,915.52 km) |
| Colfontaine to Silistra | 1,174.36 mi (1,889.95 km) |
| Colfontaine to Sliven | 1,187.80 mi (1,911.59 km) |
| Colfontaine to Smolyan | 1,165.76 mi (1,876.11 km) |
