| Glastonbury to Popovo | 1,448.96 mi (2,331.88 km) |
| Glastonbury to Provadia | 1,506.28 mi (2,424.12 km) |
| Glastonbury to Radnevo | 1,475.92 mi (2,375.26 km) |
| Glastonbury to Radomir | 1,341.02 mi (2,158.17 km) |
| Glastonbury to Rakitovo | 1,410.94 mi (2,270.68 km) |
| Glastonbury to Rakovski | 1,435.64 mi (2,310.44 km) |
| Glastonbury to Razgrad | 1,454.39 mi (2,340.62 km) |
| Glastonbury to Razlog | 1,389.41 mi (2,236.03 km) |
| Glastonbury to Ruse | 1,419.97 mi (2,285.21 km) |
| Glastonbury to Samokov | 1,374.72 mi (2,212.40 km) |
| Glastonbury to Sandanski | 1,394.83 mi (2,244.76 km) |
| Glastonbury to Sevlievo | 1,413.44 mi (2,274.70 km) |
| Glastonbury to Shumen | 1,481.26 mi (2,383.86 km) |
| Glastonbury to Silistra | 1,465.66 mi (2,358.75 km) |
| Glastonbury to Sliven | 1,478.08 mi (2,378.75 km) |
