| Trumbull Center to Popovo | 4,747.48 mi (7,640.33 km) |
| Trumbull Center to Provadia | 4,802.36 mi (7,728.65 km) |
| Trumbull Center to Radnevo | 4,779.38 mi (7,691.67 km) |
| Trumbull Center to Radomir | 4,646.96 mi (7,478.56 km) |
| Trumbull Center to Rakitovo | 4,716.85 mi (7,591.03 km) |
| Trumbull Center to Rakovski | 4,740.45 mi (7,629.01 km) |
| Trumbull Center to Razgrad | 4,751.12 mi (7,646.19 km) |
| Trumbull Center to Razlog | 4,695.46 mi (7,556.61 km) |
| Trumbull Center to Ruse | 4,716.61 mi (7,590.66 km) |
| Trumbull Center to Samokov | 4,680.58 mi (7,532.66 km) |
| Trumbull Center to Sandanski | 4,700.70 mi (7,565.04 km) |
| Trumbull Center to Sevlievo | 4,715.91 mi (7,589.53 km) |
| Trumbull Center to Shumen | 4,778.23 mi (7,689.81 km) |
| Trumbull Center to Silistra | 4,756.05 mi (7,654.12 km) |
| Trumbull Center to Sliven | 4,779.45 mi (7,691.79 km) |
