| Sofia to Richmond (California) | 6,462.19 mi (10,399.90 km) |
| Sofia to Richmond (Indiana) | 5,185.67 mi (8,345.52 km) |
| Sofia to Richmond (Kentucky) | 5,262.87 mi (8,469.78 km) |
| Sofia to Richmond (Texas) | 6,122.99 mi (9,853.99 km) |
| Sofia to Richmond (Virginia) | 4,996.21 mi (8,040.62 km) |
| Sofia to Richmond Heights (Florida) | 5,676.55 mi (9,135.52 km) |
| Sofia to Richmond Heights (Ohio) | 4,974.35 mi (8,005.45 km) |
| Sofia to Richmond Hill (Georgia) | 5,418.60 mi (8,720.40 km) |
| Sofia to Richmond West (Florida) | 5,680.29 mi (9,141.55 km) |
| Sofia to Richton Park (Illinois) | 5,212.89 mi (8,389.33 km) |
| Sofia to Ridge (New York) | 4,658.23 mi (7,496.70 km) |
| Sofia to Ridgecrest (California) | 6,492.14 mi (10,448.08 km) |
| Sofia to Ridgefield (New Jersey) | 4,708.11 mi (7,576.98 km) |
| Sofia to Ridgefield (Washington) | 5,975.09 mi (9,615.97 km) |
| Sofia to Ridgefield Park (New Jersey) | 4,707.35 mi (7,575.75 km) |
