| Slovenj Gradec to Cookeville (Tennessee) | 4,904.61 mi (7,893.20 km) |
| Slovenj Gradec to Coolidge (Arizona) | 6,020.28 mi (9,688.71 km) |
| Slovenj Gradec to Coon Rapids (Minnesota) | 4,754.08 mi (7,650.95 km) |
| Slovenj Gradec to Cooper City (Florida) | 5,174.12 mi (8,326.94 km) |
| Slovenj Gradec to Coos Bay (Oregon) | 5,746.31 mi (9,247.79 km) |
| Slovenj Gradec to Copiague (New York) | 4,205.98 mi (6,768.87 km) |
| Slovenj Gradec to Coppell (Texas) | 5,510.83 mi (8,868.83 km) |
| Slovenj Gradec to Copperas Cove (Texas) | 5,643.17 mi (9,081.80 km) |
| Slovenj Gradec to Coral Gables (Florida) | 5,190.16 mi (8,352.75 km) |
| Slovenj Gradec to Coral Springs (Florida) | 5,162.03 mi (8,307.49 km) |
| Slovenj Gradec to Coral Terrace (Florida) | 5,189.55 mi (8,351.77 km) |
| Slovenj Gradec to Coralville (Iowa) | 4,865.45 mi (7,830.18 km) |
| Slovenj Gradec to Coram (New York) | 4,181.10 mi (6,728.83 km) |
| Slovenj Gradec to Corcoran (California) | 6,073.97 mi (9,775.11 km) |
| Slovenj Gradec to Cordele (Georgia) | 5,036.42 mi (8,105.33 km) |
