| Boulder City to Prokuplje | 6,326.95 mi (10,182.25 km) |
| Boulder City to Raca | 6,252.91 mi (10,063.09 km) |
| Boulder City to Raska | 6,296.32 mi (10,132.96 km) |
| Boulder City to Razanj | 6,301.13 mi (10,140.69 km) |
| Boulder City to Rekovac | 6,278.03 mi (10,103.52 km) |
| Boulder City to Ruma | 6,177.15 mi (9,941.16 km) |
| Boulder City to Sabac | 6,187.00 mi (9,957.02 km) |
| Boulder City to Secanj | 6,182.46 mi (9,949.71 km) |
| Boulder City to Senta | 6,131.62 mi (9,867.88 km) |
| Boulder City to Sid | 6,153.63 mi (9,903.31 km) |
| Boulder City to Sjenica | 6,279.90 mi (10,106.52 km) |
| Boulder City to Smederevo | 6,226.87 mi (10,021.18 km) |
| Boulder City to Smederevska Palanka | 6,244.68 mi (10,049.84 km) |
| Boulder City to Sokobanja | 6,310.90 mi (10,156.42 km) |
| Boulder City to Sombor | 6,112.89 mi (9,837.75 km) |
