| Slovenj Gradec to Red Bank (New Jersey) | 4,247.63 mi (6,835.90 km) |
| Slovenj Gradec to Red Bank (Tennessee) | 4,946.09 mi (7,959.97 km) |
| Slovenj Gradec to Red Bluff (California) | 5,895.75 mi (9,488.29 km) |
| Slovenj Gradec to Red Hill (South Carolina) | 4,749.70 mi (7,643.91 km) |
| Slovenj Gradec to Red Oak (Texas) | 5,526.45 mi (8,893.96 km) |
| Slovenj Gradec to Red Wing (Minnesota) | 4,759.06 mi (7,658.97 km) |
| Slovenj Gradec to Redan (Georgia) | 4,966.40 mi (7,992.65 km) |
| Slovenj Gradec to Redding (California) | 5,874.59 mi (9,454.24 km) |
| Slovenj Gradec to Redland (Maryland) | 4,427.35 mi (7,125.14 km) |
| Slovenj Gradec to Redlands (California) | 6,128.06 mi (9,862.15 km) |
| Slovenj Gradec to Redmond (Oregon) | 5,621.40 mi (9,046.77 km) |
| Slovenj Gradec to Redmond (Washington) | 5,435.81 mi (8,748.09 km) |
| Slovenj Gradec to Redondo Beach (California) | 6,174.46 mi (9,936.83 km) |
| Slovenj Gradec to Redwood City (California) | 6,058.48 mi (9,750.18 km) |
| Slovenj Gradec to Reedley (California) | 6,039.86 mi (9,720.22 km) |
