| Northampton to Popovo | 1,389.64 mi (2,236.41 km) |
| Northampton to Provadia | 1,445.43 mi (2,326.20 km) |
| Northampton to Radnevo | 1,421.05 mi (2,286.96 km) |
| Northampton to Radomir | 1,291.55 mi (2,078.55 km) |
| Northampton to Rakitovo | 1,361.15 mi (2,190.55 km) |
| Northampton to Rakovski | 1,382.78 mi (2,225.38 km) |
| Northampton to Razgrad | 1,393.89 mi (2,243.24 km) |
| Northampton to Razlog | 1,341.40 mi (2,158.78 km) |
| Northampton to Ruse | 1,359.36 mi (2,187.68 km) |
| Northampton to Samokov | 1,324.73 mi (2,131.95 km) |
| Northampton to Sandanski | 1,348.49 mi (2,170.19 km) |
| Northampton to Sevlievo | 1,357.47 mi (2,184.63 km) |
| Northampton to Shumen | 1,420.93 mi (2,286.77 km) |
| Northampton to Silistra | 1,401.74 mi (2,255.88 km) |
| Northampton to Sliven | 1,421.04 mi (2,286.94 km) |
