| Frederick to Rende | 4,738.78 mi (7,626.34 km) |
| Frederick to Resana | 4,325.80 mi (6,961.70 km) |
| Frederick to Rescaldina | 4,199.28 mi (6,758.09 km) |
| Frederick to Rezzato | 4,260.83 mi (6,857.14 km) |
| Frederick to Rho | 4,205.54 mi (6,768.17 km) |
| Frederick to Ribera | 4,677.82 mi (7,528.23 km) |
| Frederick to Riccione Marina | 4,412.08 mi (7,100.56 km) |
| Frederick to Riesi | 4,723.49 mi (7,601.73 km) |
| Frederick to Rieti | 4,477.82 mi (7,206.36 km) |
| Frederick to Rignano Flaminio | 4,468.88 mi (7,191.96 km) |
| Frederick to Rignano sull'Arno | 4,370.21 mi (7,033.17 km) |
| Frederick to Rimini | 4,406.50 mi (7,091.58 km) |
| Frederick to Rionero in Vulture | 4,655.35 mi (7,492.06 km) |
| Frederick to Riposto | 4,756.84 mi (7,655.40 km) |
| Frederick to Riva del Garda | 4,271.09 mi (6,873.65 km) |
