| Euclid to Popovo | 5,054.27 mi (8,134.06 km) |
| Euclid to Provadia | 5,106.70 mi (8,218.44 km) |
| Euclid to Radnevo | 5,091.45 mi (8,193.90 km) |
| Euclid to Radomir | 4,965.54 mi (7,991.27 km) |
| Euclid to Rakitovo | 5,035.00 mi (8,103.05 km) |
| Euclid to Rakovski | 5,055.07 mi (8,135.34 km) |
| Euclid to Razgrad | 5,056.37 mi (8,137.44 km) |
| Euclid to Razlog | 5,015.59 mi (8,071.81 km) |
| Euclid to Ruse | 5,022.06 mi (8,082.23 km) |
| Euclid to Samokov | 4,998.56 mi (8,044.41 km) |
| Euclid to Sandanski | 5,022.61 mi (8,083.11 km) |
| Euclid to Sevlievo | 5,027.00 mi (8,090.17 km) |
| Euclid to Shumen | 5,083.47 mi (8,181.05 km) |
| Euclid to Silistra | 5,056.79 mi (8,138.11 km) |
| Euclid to Sliven | 5,088.85 mi (8,189.71 km) |
