| Slovenj Gradec to Romeoville (Illinois) | 4,740.59 mi (7,629.25 km) |
| Slovenj Gradec to Romulus (Michigan) | 4,534.29 mi (7,297.24 km) |
| Slovenj Gradec to Ronkonkoma (New York) | 4,189.28 mi (6,742.00 km) |
| Slovenj Gradec to Roosevelt (New York) | 4,213.50 mi (6,780.97 km) |
| Slovenj Gradec to Rosamond (California) | 6,109.55 mi (9,832.38 km) |
| Slovenj Gradec to Rosaryville (Maryland) | 4,430.55 mi (7,130.27 km) |
| Slovenj Gradec to Roscoe (Illinois) | 4,735.95 mi (7,621.78 km) |
| Slovenj Gradec to Rose Hill (Virginia) | 4,441.25 mi (7,147.51 km) |
| Slovenj Gradec to Roseburg (Oregon) | 5,735.69 mi (9,230.70 km) |
| Slovenj Gradec to Rosedale (California) | 6,106.02 mi (9,826.70 km) |
| Slovenj Gradec to Rosedale (Maryland) | 4,392.63 mi (7,069.26 km) |
| Slovenj Gradec to Roselle (Illinois) | 4,723.36 mi (7,601.51 km) |
| Slovenj Gradec to Roselle (New Jersey) | 4,242.48 mi (6,827.62 km) |
| Slovenj Gradec to Roselle Park (New Jersey) | 4,242.22 mi (6,827.19 km) |
| Slovenj Gradec to Rosemead (California) | 6,153.38 mi (9,902.91 km) |
