| Westerville to Popovo | 5,177.41 mi (8,332.23 km) |
| Westerville to Provadia | 5,230.02 mi (8,416.90 km) |
| Westerville to Radnevo | 5,214.20 mi (8,391.45 km) |
| Westerville to Radomir | 5,087.72 mi (8,187.90 km) |
| Westerville to Rakitovo | 5,157.24 mi (8,299.77 km) |
| Westerville to Rakovski | 5,177.61 mi (8,332.56 km) |
| Westerville to Razgrad | 5,179.62 mi (8,335.78 km) |
| Westerville to Razlog | 5,137.64 mi (8,268.23 km) |
| Westerville to Ruse | 5,145.29 mi (8,280.54 km) |
| Westerville to Samokov | 5,120.80 mi (8,241.14 km) |
| Westerville to Sandanski | 5,144.50 mi (8,279.27 km) |
| Westerville to Sevlievo | 5,149.81 mi (8,287.82 km) |
| Westerville to Shumen | 5,206.72 mi (8,379.40 km) |
| Westerville to Silistra | 5,180.32 mi (8,336.92 km) |
| Westerville to Sliven | 5,211.81 mi (8,387.59 km) |
