| Popovo to Rockville (Maryland) | 5,003.59 mi (8,052.49 km) |
| Popovo to Rockville Centre (New York) | 4,791.25 mi (7,710.78 km) |
| Popovo to Rockwall (Texas) | 6,046.07 mi (9,730.22 km) |
| Popovo to Rocky Mount (North Carolina) | 5,175.39 mi (8,328.98 km) |
| Popovo to Rocky Point (New York) | 4,751.05 mi (7,646.07 km) |
| Popovo to Rocky River (Ohio) | 5,072.48 mi (8,163.36 km) |
| Popovo to Roessleville (New York) | 4,707.67 mi (7,576.27 km) |
| Popovo to Rogers (Arkansas) | 5,781.35 mi (9,304.18 km) |
| Popovo to Rogers (Minnesota) | 5,290.80 mi (8,514.72 km) |
| Popovo to Rohnert Park (California) | 6,466.28 mi (10,406.47 km) |
| Popovo to Rolla (Missouri) | 5,610.52 mi (9,029.26 km) |
| Popovo to Rolling Meadows (Illinois) | 5,266.15 mi (8,475.05 km) |
| Popovo to Roma (Texas) | 6,497.19 mi (10,456.21 km) |
| Popovo to Rome (Georgia) | 5,554.04 mi (8,938.37 km) |
| Popovo to Rome (New York) | 4,750.04 mi (7,644.44 km) |
