| Boulder City to Montana | 6,362.13 mi (10,238.86 km) |
| Boulder City to Nova Zagora | 6,490.33 mi (10,445.18 km) |
| Boulder City to Novi Iskar | 6,400.94 mi (10,301.31 km) |
| Boulder City to Novi Pazar | 6,469.44 mi (10,411.56 km) |
| Boulder City to Omurtag | 6,464.54 mi (10,403.67 km) |
| Boulder City to Panagyurishte | 6,441.13 mi (10,366.00 km) |
| Boulder City to Parvomay | 6,492.42 mi (10,448.54 km) |
| Boulder City to Pavlikeni | 6,427.74 mi (10,344.45 km) |
| Boulder City to Pazardzhik | 6,462.76 mi (10,400.81 km) |
| Boulder City to Pernik | 6,403.84 mi (10,305.99 km) |
| Boulder City to Peshtera | 6,471.62 mi (10,415.07 km) |
| Boulder City to Petrich | 6,478.59 mi (10,426.28 km) |
| Boulder City to Pleven | 6,399.59 mi (10,299.15 km) |
| Boulder City to Plovdiv | 6,476.96 mi (10,423.66 km) |
| Boulder City to Pomorie | 6,526.78 mi (10,503.84 km) |
