| Momchilgrad to Ridgeland (Mississippi) | 5,890.08 mi (9,479.17 km) |
| Momchilgrad to Ridgewood (New Jersey) | 4,839.60 mi (7,788.58 km) |
| Momchilgrad to Rifle (Colorado) | 6,111.67 mi (9,835.79 km) |
| Momchilgrad to Rincon (Georgia) | 5,530.36 mi (8,900.26 km) |
| Momchilgrad to Ringwood (New Jersey) | 4,840.91 mi (7,790.70 km) |
| Momchilgrad to Río Grande (Puerto Rico) | 5,447.53 mi (8,766.96 km) |
| Momchilgrad to Rio Grande City (Texas) | 6,546.13 mi (10,534.98 km) |
| Momchilgrad to Rio Linda (California) | 6,514.78 mi (10,484.52 km) |
| Momchilgrad to Rio Rancho (New Mexico) | 6,324.26 mi (10,177.92 km) |
| Momchilgrad to Rio Rico (Arizona) | 6,678.13 mi (10,747.41 km) |
| Momchilgrad to Ripon (California) | 6,567.36 mi (10,569.14 km) |
| Momchilgrad to River Edge (New Jersey) | 4,838.93 mi (7,787.50 km) |
| Momchilgrad to River Falls (Wisconsin) | 5,347.31 mi (8,605.66 km) |
| Momchilgrad to River Forest (Illinois) | 5,328.38 mi (8,575.19 km) |
| Momchilgrad to River Grove (Illinois) | 5,327.61 mi (8,573.96 km) |
