| Terre Haute to Popovo | 5,374.75 mi (8,649.82 km) |
| Terre Haute to Provadia | 5,426.18 mi (8,732.60 km) |
| Terre Haute to Radnevo | 5,413.80 mi (8,712.67 km) |
| Terre Haute to Radomir | 5,290.37 mi (8,514.02 km) |
| Terre Haute to Rakitovo | 5,359.58 mi (8,625.42 km) |
| Terre Haute to Rakovski | 5,378.38 mi (8,655.67 km) |
| Terre Haute to Razgrad | 5,376.28 mi (8,652.28 km) |
| Terre Haute to Razlog | 5,340.87 mi (8,595.30 km) |
| Terre Haute to Ruse | 5,342.10 mi (8,597.28 km) |
| Terre Haute to Samokov | 5,323.13 mi (8,566.76 km) |
| Terre Haute to Sandanski | 5,348.49 mi (8,607.56 km) |
| Terre Haute to Sevlievo | 5,349.09 mi (8,608.53 km) |
| Terre Haute to Shumen | 5,403.32 mi (8,695.80 km) |
| Terre Haute to Silistra | 5,374.98 mi (8,650.20 km) |
| Terre Haute to Sliven | 5,410.23 mi (8,706.93 km) |
