| Karlovy Vary to Rockville (Maryland) | 4,216.82 mi (6,786.31 km) |
| Karlovy Vary to Rockville Centre (New York) | 4,005.22 mi (6,445.78 km) |
| Karlovy Vary to Rockwall (Texas) | 5,258.47 mi (8,462.69 km) |
| Karlovy Vary to Rocky Mount (North Carolina) | 4,391.25 mi (7,067.04 km) |
| Karlovy Vary to Rocky Point (New York) | 3,965.21 mi (6,381.38 km) |
| Karlovy Vary to Rocky River (Ohio) | 4,283.55 mi (6,893.71 km) |
| Karlovy Vary to Roessleville (New York) | 3,919.88 mi (6,308.44 km) |
| Karlovy Vary to Rogers (Arkansas) | 4,994.34 mi (8,037.61 km) |
| Karlovy Vary to Rogers (Minnesota) | 4,513.02 mi (7,263.00 km) |
| Karlovy Vary to Rohnert Park (California) | 5,747.67 mi (9,249.98 km) |
| Karlovy Vary to Rolla (Missouri) | 4,823.13 mi (7,762.08 km) |
| Karlovy Vary to Rolling Meadows (Illinois) | 4,479.41 mi (7,208.91 km) |
| Karlovy Vary to Roma (Texas) | 5,708.41 mi (9,186.79 km) |
| Karlovy Vary to Rome (Georgia) | 4,766.23 mi (7,670.51 km) |
| Karlovy Vary to Rome (New York) | 3,961.46 mi (6,375.36 km) |
