| Opatija to Rockville (Maryland) | 4,438.90 mi (7,143.72 km) |
| Opatija to Rockville Centre (New York) | 4,224.57 mi (6,798.79 km) |
| Opatija to Rockwall (Texas) | 5,511.85 mi (8,870.46 km) |
| Opatija to Rocky Mount (North Carolina) | 4,602.97 mi (7,407.77 km) |
| Opatija to Rocky Point (New York) | 4,183.90 mi (6,733.34 km) |
| Opatija to Rocky River (Ohio) | 4,526.32 mi (7,284.41 km) |
| Opatija to Roessleville (New York) | 4,148.13 mi (6,675.77 km) |
| Opatija to Rogers (Arkansas) | 5,251.08 mi (8,450.80 km) |
| Opatija to Rogers (Minnesota) | 4,792.59 mi (7,712.93 km) |
| Opatija to Rohnert Park (California) | 6,067.64 mi (9,764.93 km) |
| Opatija to Rolla (Missouri) | 5,078.56 mi (8,173.16 km) |
| Opatija to Rolling Meadows (Illinois) | 4,738.44 mi (7,625.79 km) |
| Opatija to Roma (Texas) | 5,951.67 mi (9,578.30 km) |
| Opatija to Rome (Georgia) | 4,992.73 mi (8,035.01 km) |
| Opatija to Rome (New York) | 4,195.88 mi (6,752.62 km) |
