| Thonex to Popovo | 1,000.00 mi (1,609.35 km) |
| Thonex to Provadia | 1,060.92 mi (1,707.38 km) |
| Thonex to Radnevo | 1,010.77 mi (1,626.68 km) |
| Thonex to Radomir | 863.47 mi (1,389.63 km) |
| Thonex to Rakitovo | 932.21 mi (1,500.25 km) |
| Thonex to Rakovski | 965.33 mi (1,553.55 km) |
| Thonex to Razgrad | 1,009.64 mi (1,624.86 km) |
| Thonex to Razlog | 906.27 mi (1,458.49 km) |
| Thonex to Ruse | 976.89 mi (1,572.15 km) |
| Thonex to Samokov | 897.63 mi (1,444.60 km) |
| Thonex to Sandanski | 907.13 mi (1,459.88 km) |
| Thonex to Sevlievo | 953.94 mi (1,535.21 km) |
| Thonex to Shumen | 1,034.86 mi (1,665.44 km) |
| Thonex to Silistra | 1,033.81 mi (1,663.75 km) |
| Thonex to Sliven | 1,020.10 mi (1,641.69 km) |
