| Stillwater to Popovo | 5,892.42 mi (9,482.93 km) |
| Stillwater to Provadia | 5,941.53 mi (9,561.97 km) |
| Stillwater to Radnevo | 5,935.43 mi (9,552.15 km) |
| Stillwater to Radomir | 5,817.80 mi (9,362.84 km) |
| Stillwater to Rakitovo | 5,886.29 mi (9,473.06 km) |
| Stillwater to Rakovski | 5,902.23 mi (9,498.72 km) |
| Stillwater to Razgrad | 5,892.70 mi (9,483.39 km) |
| Stillwater to Razlog | 5,869.19 mi (9,445.55 km) |
| Stillwater to Ruse | 5,858.92 mi (9,429.02 km) |
| Stillwater to Samokov | 5,849.92 mi (9,414.53 km) |
| Stillwater to Sandanski | 5,878.12 mi (9,459.92 km) |
| Stillwater to Sevlievo | 5,870.35 mi (9,447.42 km) |
| Stillwater to Shumen | 5,919.55 mi (9,526.60 km) |
| Stillwater to Silistra | 5,887.76 mi (9,475.43 km) |
| Stillwater to Sliven | 5,929.76 mi (9,543.02 km) |
