| Stephenville to Popovo | 6,147.60 mi (9,893.61 km) |
| Stephenville to Provadia | 6,197.73 mi (9,974.28 km) |
| Stephenville to Radnevo | 6,188.86 mi (9,960.01 km) |
| Stephenville to Radomir | 6,068.35 mi (9,766.06 km) |
| Stephenville to Rakitovo | 6,137.24 mi (9,876.93 km) |
| Stephenville to Rakovski | 6,154.60 mi (9,904.87 km) |
| Stephenville to Razgrad | 6,148.42 mi (9,894.92 km) |
| Stephenville to Razlog | 6,119.30 mi (9,848.06 km) |
| Stephenville to Ruse | 6,114.45 mi (9,840.26 km) |
| Stephenville to Samokov | 6,100.81 mi (9,818.30 km) |
| Stephenville to Sandanski | 6,127.54 mi (9,861.32 km) |
| Stephenville to Sevlievo | 6,123.92 mi (9,855.50 km) |
| Stephenville to Shumen | 6,175.36 mi (9,938.29 km) |
| Stephenville to Silistra | 6,144.97 mi (9,889.38 km) |
| Stephenville to Sliven | 6,184.14 mi (9,952.42 km) |
