| Indiana to Popovo | 5,010.28 mi (8,063.26 km) |
| Indiana to Provadia | 5,063.81 mi (8,149.41 km) |
| Indiana to Radnevo | 5,045.19 mi (8,119.45 km) |
| Indiana to Radomir | 4,916.32 mi (7,912.05 km) |
| Indiana to Rakitovo | 4,986.02 mi (8,024.23 km) |
| Indiana to Rakovski | 5,007.66 mi (8,059.06 km) |
| Indiana to Razgrad | 5,013.05 mi (8,067.72 km) |
| Indiana to Razlog | 4,965.72 mi (7,991.55 km) |
| Indiana to Ruse | 4,978.62 mi (8,012.32 km) |
| Indiana to Samokov | 4,949.63 mi (7,965.66 km) |
| Indiana to Sandanski | 4,971.95 mi (8,001.58 km) |
| Indiana to Sevlievo | 4,981.12 mi (8,016.34 km) |
| Indiana to Shumen | 5,040.17 mi (8,111.36 km) |
| Indiana to Silistra | 5,015.39 mi (8,071.49 km) |
| Indiana to Sliven | 5,043.76 mi (8,117.14 km) |
