| Titusville to Popovo | 5,658.19 mi (9,105.97 km) |
| Titusville to Provadia | 5,715.34 mi (9,197.95 km) |
| Titusville to Radnevo | 5,683.70 mi (9,147.03 km) |
| Titusville to Radomir | 5,544.38 mi (8,922.82 km) |
| Titusville to Rakitovo | 5,614.18 mi (9,035.15 km) |
| Titusville to Rakovski | 5,642.01 mi (9,079.93 km) |
| Titusville to Razgrad | 5,663.51 mi (9,114.54 km) |
| Titusville to Razlog | 5,590.44 mi (8,996.94 km) |
| Titusville to Ruse | 5,629.05 mi (9,059.08 km) |
| Titusville to Samokov | 5,578.46 mi (8,977.66 km) |
| Titusville to Sandanski | 5,593.27 mi (9,001.50 km) |
| Titusville to Sevlievo | 5,621.93 mi (9,047.62 km) |
| Titusville to Shumen | 5,690.41 mi (9,157.84 km) |
| Titusville to Silistra | 5,673.24 mi (9,130.20 km) |
| Titusville to Sliven | 5,686.93 mi (9,152.22 km) |
