| Boulder City to Rende | 6,381.26 mi (10,269.65 km) |
| Boulder City to Resana | 5,907.58 mi (9,507.33 km) |
| Boulder City to Rescaldina | 5,812.23 mi (9,353.89 km) |
| Boulder City to Rezzato | 5,861.81 mi (9,433.67 km) |
| Boulder City to Rho | 5,819.20 mi (9,365.10 km) |
| Boulder City to Ribera | 6,381.52 mi (10,270.06 km) |
| Boulder City to Riccione Marina | 6,015.83 mi (9,681.54 km) |
| Boulder City to Riesi | 6,421.55 mi (10,334.49 km) |
| Boulder City to Rieti | 6,107.03 mi (9,828.32 km) |
| Boulder City to Rignano Flaminio | 6,105.59 mi (9,826.00 km) |
| Boulder City to Rignano sull'Arno | 5,991.61 mi (9,642.57 km) |
| Boulder City to Rimini | 6,010.08 mi (9,672.28 km) |
| Boulder City to Rionero in Vulture | 6,278.12 mi (10,103.66 km) |
| Boulder City to Riposto | 6,435.60 mi (10,357.10 km) |
| Boulder City to Riva del Garda | 5,859.78 mi (9,430.40 km) |
