| Sun Prairie to Rockport (Texas) | 1,134.46 mi (1,825.74 km) |
| Sun Prairie to Rockville (Maryland) | 688.68 mi (1,108.32 km) |
| Sun Prairie to Rockville Centre (New York) | 819.22 mi (1,318.40 km) |
| Sun Prairie to Rockwall (Texas) | 809.54 mi (1,302.83 km) |
| Sun Prairie to Rocky Mount (North Carolina) | 785.57 mi (1,264.26 km) |
| Sun Prairie to Rocky Point (New York) | 849.02 mi (1,366.36 km) |
| Sun Prairie to Rocky River (Ohio) | 395.14 mi (635.91 km) |
| Sun Prairie to Roessleville (New York) | 780.58 mi (1,256.22 km) |
| Sun Prairie to Rogers (Arkansas) | 541.27 mi (871.09 km) |
| Sun Prairie to Rogers (Minnesota) | 255.79 mi (411.65 km) |
| Sun Prairie to Rohnert Park (California) | 1,770.31 mi (2,849.04 km) |
| Sun Prairie to Rolla (Missouri) | 385.26 mi (620.02 km) |
| Sun Prairie to Rolling Meadows (Illinois) | 98.22 mi (158.08 km) |
| Sun Prairie to Roma (Texas) | 1,282.00 mi (2,063.19 km) |
| Sun Prairie to Rome (Georgia) | 653.37 mi (1,051.50 km) |
