| Boulder City to Recica | 5,961.72 mi (9,594.46 km) |
| Boulder City to Ribnica | 5,987.52 mi (9,635.99 km) |
| Boulder City to Ribnica | 5,960.61 mi (9,592.67 km) |
| Boulder City to Rogaska Slatina | 5,987.96 mi (9,636.70 km) |
| Boulder City to Rogasovci | 5,968.29 mi (9,605.04 km) |
| Boulder City to Rogatec | 5,990.33 mi (9,640.50 km) |
| Boulder City to Ruse | 5,967.66 mi (9,604.02 km) |
| Boulder City to Salovci | 5,974.85 mi (9,615.59 km) |
| Boulder City to Selnica ob Dravi | 5,966.36 mi (9,601.92 km) |
| Boulder City to Semic | 6,005.60 mi (9,665.07 km) |
| Boulder City to Sempeter pri Gorici | 5,944.26 mi (9,566.35 km) |
| Boulder City to Sencur | 5,951.04 mi (9,577.27 km) |
| Boulder City to Sentilj | 5,963.77 mi (9,597.76 km) |
| Boulder City to Sentjernej | 6,000.33 mi (9,656.59 km) |
| Boulder City to Sentjur | 5,981.56 mi (9,626.39 km) |
