| Gibsonton to Popovo | 5,761.30 mi (9,271.92 km) |
| Gibsonton to Provadia | 5,818.27 mi (9,363.59 km) |
| Gibsonton to Radnevo | 5,787.36 mi (9,313.85 km) |
| Gibsonton to Radomir | 5,648.52 mi (9,090.41 km) |
| Gibsonton to Rakitovo | 5,718.35 mi (9,202.79 km) |
| Gibsonton to Rakovski | 5,745.87 mi (9,247.08 km) |
| Gibsonton to Razgrad | 5,766.47 mi (9,280.24 km) |
| Gibsonton to Razlog | 5,694.76 mi (9,164.83 km) |
| Gibsonton to Ruse | 5,732.00 mi (9,224.76 km) |
| Gibsonton to Samokov | 5,682.57 mi (9,145.22 km) |
| Gibsonton to Sandanski | 5,697.76 mi (9,169.66 km) |
| Gibsonton to Sevlievo | 5,725.43 mi (9,214.19 km) |
| Gibsonton to Shumen | 5,793.40 mi (9,323.58 km) |
| Gibsonton to Silistra | 5,775.75 mi (9,295.17 km) |
| Gibsonton to Sliven | 5,790.33 mi (9,318.63 km) |
