| Kilgore to Popovo | 6,017.54 mi (9,684.30 km) |
| Kilgore to Provadia | 6,068.96 mi (9,767.05 km) |
| Kilgore to Radnevo | 6,056.50 mi (9,746.99 km) |
| Kilgore to Radomir | 5,932.63 mi (9,547.64 km) |
| Kilgore to Rakitovo | 6,001.91 mi (9,659.13 km) |
| Kilgore to Rakovski | 6,020.95 mi (9,689.79 km) |
| Kilgore to Razgrad | 6,019.07 mi (9,686.76 km) |
| Kilgore to Razlog | 5,983.01 mi (9,628.72 km) |
| Kilgore to Ruse | 5,984.90 mi (9,631.76 km) |
| Kilgore to Samokov | 5,965.46 mi (9,600.47 km) |
| Kilgore to Sandanski | 5,990.45 mi (9,640.69 km) |
| Kilgore to Sevlievo | 5,991.81 mi (9,642.89 km) |
| Kilgore to Shumen | 6,046.11 mi (9,730.28 km) |
| Kilgore to Silistra | 6,017.69 mi (9,684.53 km) |
| Kilgore to Sliven | 6,053.00 mi (9,741.36 km) |
