| Cities | Distance |
|---|
| Altdorf to Popovo | 889.82 mi (1,432.02 km) |
| Altdorf to Provadia | 950.11 mi (1,529.06 km) |
| Altdorf to Radnevo | 905.60 mi (1,457.42 km) |
| Altdorf to Radomir | 762.23 mi (1,226.68 km) |
| Altdorf to Rakitovo | 831.84 mi (1,338.71 km) |
| Altdorf to Rakovski | 861.77 mi (1,386.88 km) |
| Altdorf to Razgrad | 898.40 mi (1,445.84 km) |
| Altdorf to Razlog | 807.73 mi (1,299.92 km) |
| Altdorf to Ruse | 865.03 mi (1,392.13 km) |
| Altdorf to Samokov | 796.38 mi (1,281.65 km) |
| Altdorf to Sandanski | 810.80 mi (1,304.86 km) |
| Altdorf to Sevlievo | 846.59 mi (1,362.45 km) |
| Altdorf to Shumen | 924.19 mi (1,487.33 km) |
| Altdorf to Silistra | 919.66 mi (1,480.06 km) |
| Altdorf to Sliven | 912.64 mi (1,468.76 km) |
