| Tulcea to Rockville (Maryland) | 5,025.08 mi (8,087.08 km) |
| Tulcea to Rockville Centre (New York) | 4,814.90 mi (7,748.83 km) |
| Tulcea to Rockwall (Texas) | 6,043.41 mi (9,725.93 km) |
| Tulcea to Rocky Mount (North Carolina) | 5,202.98 mi (8,373.39 km) |
| Tulcea to Rocky Point (New York) | 4,775.18 mi (7,684.91 km) |
| Tulcea to Rocky River (Ohio) | 5,080.21 mi (8,175.81 km) |
| Tulcea to Roessleville (New York) | 4,725.95 mi (7,605.68 km) |
| Tulcea to Rogers (Arkansas) | 5,776.94 mi (9,297.09 km) |
| Tulcea to Rogers (Minnesota) | 5,269.97 mi (8,481.20 km) |
| Tulcea to Rohnert Park (California) | 6,398.78 mi (10,297.85 km) |
| Tulcea to Rolla (Missouri) | 5,607.63 mi (9,024.61 km) |
| Tulcea to Rolling Meadows (Illinois) | 5,261.66 mi (8,467.82 km) |
| Tulcea to Roma (Texas) | 6,500.78 mi (10,462.00 km) |
| Tulcea to Rome (Georgia) | 5,571.53 mi (8,966.50 km) |
| Tulcea to Rome (New York) | 4,764.23 mi (7,667.29 km) |
