| Wyomissing to Popovo | 4,899.20 mi (7,884.50 km) |
| Wyomissing to Provadia | 4,953.72 mi (7,972.24 km) |
| Wyomissing to Radnevo | 4,931.91 mi (7,937.14 km) |
| Wyomissing to Radomir | 4,800.38 mi (7,725.47 km) |
| Wyomissing to Rakitovo | 4,870.23 mi (7,837.88 km) |
| Wyomissing to Rakovski | 4,893.34 mi (7,875.06 km) |
| Wyomissing to Razgrad | 4,902.60 mi (7,889.98 km) |
| Wyomissing to Razlog | 4,849.11 mi (7,803.89 km) |
| Wyomissing to Ruse | 4,868.11 mi (7,834.47 km) |
| Wyomissing to Samokov | 4,833.93 mi (7,779.45 km) |
| Wyomissing to Sandanski | 4,854.60 mi (7,812.72 km) |
| Wyomissing to Sevlievo | 4,868.27 mi (7,834.72 km) |
| Wyomissing to Shumen | 4,929.72 mi (7,933.61 km) |
| Wyomissing to Silistra | 4,906.81 mi (7,896.75 km) |
| Wyomissing to Sliven | 4,931.58 mi (7,936.62 km) |
