| Schaumburg to Popovo | 5,270.42 mi (8,481.92 km) |
| Schaumburg to Provadia | 5,320.53 mi (8,562.57 km) |
| Schaumburg to Radnevo | 5,311.87 mi (8,548.63 km) |
| Schaumburg to Radomir | 5,192.08 mi (8,355.85 km) |
| Schaumburg to Rakitovo | 5,260.85 mi (8,466.52 km) |
| Schaumburg to Rakovski | 5,277.82 mi (8,493.83 km) |
| Schaumburg to Razgrad | 5,271.22 mi (8,483.21 km) |
| Schaumburg to Razlog | 5,243.19 mi (8,438.10 km) |
| Schaumburg to Ruse | 5,237.26 mi (8,428.55 km) |
| Schaumburg to Samokov | 5,224.43 mi (8,407.92 km) |
| Schaumburg to Sandanski | 5,251.70 mi (8,451.79 km) |
| Schaumburg to Sevlievo | 5,246.91 mi (8,444.08 km) |
| Schaumburg to Shumen | 5,298.17 mi (8,526.58 km) |
| Schaumburg to Silistra | 5,267.85 mi (8,477.78 km) |
| Schaumburg to Sliven | 5,307.02 mi (8,540.83 km) |
