| Momchilgrad to River Ridge (Louisiana) | 6,018.33 mi (9,685.57 km) |
| Momchilgrad to Riverbank (California) | 6,564.09 mi (10,563.88 km) |
| Momchilgrad to Riverdale (Georgia) | 5,602.25 mi (9,015.96 km) |
| Momchilgrad to Riverdale (Illinois) | 5,334.00 mi (8,584.25 km) |
| Momchilgrad to Riverside (California) | 6,712.84 mi (10,803.28 km) |
| Momchilgrad to Riverside (Ohio) | 5,291.96 mi (8,516.58 km) |
| Momchilgrad to Riverton (Utah) | 6,170.82 mi (9,930.98 km) |
| Momchilgrad to Riverton (Wyoming) | 5,926.46 mi (9,537.72 km) |
| Momchilgrad to Riverview (Florida) | 5,790.08 mi (9,318.24 km) |
| Momchilgrad to Riverview (Michigan) | 5,143.94 mi (8,278.38 km) |
| Momchilgrad to Riviera Beach (Florida) | 5,741.09 mi (9,239.39 km) |
| Momchilgrad to Riviera Beach (Maryland) | 5,017.88 mi (8,075.50 km) |
| Momchilgrad to Roanoke (Virginia) | 5,243.90 mi (8,439.25 km) |
| Momchilgrad to Roanoke Rapids (North Carolina) | 5,186.34 mi (8,346.61 km) |
| Momchilgrad to Robbinsdale (Minnesota) | 5,362.25 mi (8,629.71 km) |
