| Upton to Popovo | 1,499.71 mi (2,413.55 km) |
| Upton to Provadia | 1,554.51 mi (2,501.74 km) |
| Upton to Radnevo | 1,533.44 mi (2,467.83 km) |
| Upton to Radomir | 1,406.58 mi (2,263.67 km) |
| Upton to Rakitovo | 1,475.94 mi (2,375.30 km) |
| Upton to Rakovski | 1,496.20 mi (2,407.90 km) |
| Upton to Razgrad | 1,503.26 mi (2,419.26 km) |
| Upton to Razlog | 1,456.95 mi (2,344.74 km) |
| Upton to Ruse | 1,468.75 mi (2,363.72 km) |
| Upton to Samokov | 1,439.50 mi (2,316.65 km) |
| Upton to Sandanski | 1,464.66 mi (2,357.14 km) |
| Upton to Sevlievo | 1,469.41 mi (2,364.78 km) |
| Upton to Shumen | 1,530.36 mi (2,462.88 km) |
| Upton to Silistra | 1,508.97 mi (2,428.46 km) |
| Upton to Sliven | 1,532.30 mi (2,466.01 km) |
