| Tulcea to Ridgeland (Mississippi) | 5,851.89 mi (9,417.70 km) |
| Tulcea to Ridgewood (New Jersey) | 4,818.14 mi (7,754.05 km) |
| Tulcea to Rifle (Colorado) | 5,993.12 mi (9,645.00 km) |
| Tulcea to Rincon (Georgia) | 5,522.27 mi (8,887.24 km) |
| Tulcea to Ringwood (New Jersey) | 4,818.47 mi (7,754.59 km) |
| Tulcea to Río Grande (Puerto Rico) | 5,543.73 mi (8,921.78 km) |
| Tulcea to Rio Grande City (Texas) | 6,496.45 mi (10,455.03 km) |
| Tulcea to Rio Linda (California) | 6,353.46 mi (10,224.90 km) |
| Tulcea to Rio Rancho (New Mexico) | 6,220.25 mi (10,010.52 km) |
| Tulcea to Rio Rico (Arizona) | 6,568.30 mi (10,570.66 km) |
| Tulcea to Ripon (California) | 6,408.69 mi (10,313.80 km) |
| Tulcea to River Edge (New Jersey) | 4,817.91 mi (7,753.68 km) |
| Tulcea to River Falls (Wisconsin) | 5,259.00 mi (8,463.54 km) |
| Tulcea to River Forest (Illinois) | 5,264.26 mi (8,472.01 km) |
| Tulcea to River Grove (Illinois) | 5,263.34 mi (8,470.52 km) |
