| Sofia to Rosemont (California) | 6,402.14 mi (10,303.25 km) |
| Sofia to Rosemount (Minnesota) | 5,237.07 mi (8,428.25 km) |
| Sofia to Rosenberg (Texas) | 6,127.48 mi (9,861.23 km) |
| Sofia to Roseville (California) | 6,387.41 mi (10,279.54 km) |
| Sofia to Roseville (Michigan) | 4,985.33 mi (8,023.12 km) |
| Sofia to Roseville (Minnesota) | 5,226.37 mi (8,411.03 km) |
| Sofia to Rossmoor (California) | 6,615.98 mi (10,647.39 km) |
| Sofia to Rossville (Maryland) | 4,873.33 mi (7,842.86 km) |
| Sofia to Roswell (Georgia) | 5,442.91 mi (8,759.52 km) |
| Sofia to Roswell (New Mexico) | 6,232.71 mi (10,030.58 km) |
| Sofia to Round Lake (Illinois) | 5,184.22 mi (8,343.20 km) |
| Sofia to Round Lake Beach (Illinois) | 5,181.59 mi (8,338.96 km) |
| Sofia to Round Rock (Texas) | 6,145.24 mi (9,889.81 km) |
| Sofia to Rowland Heights (California) | 6,599.76 mi (10,621.29 km) |
| Sofia to Rowlett (Texas) | 5,976.08 mi (9,617.57 km) |
