| Slovenj Gradec to Cloverly (Maryland) | 4,422.55 mi (7,117.41 km) |
| Slovenj Gradec to Clovis (California) | 6,032.48 mi (9,708.34 km) |
| Slovenj Gradec to Clovis (New Mexico) | 5,656.68 mi (9,103.54 km) |
| Slovenj Gradec to Clute (Texas) | 5,656.42 mi (9,103.12 km) |
| Slovenj Gradec to Coachella (California) | 6,119.14 mi (9,847.80 km) |
| Slovenj Gradec to Coalinga (California) | 6,091.20 mi (9,802.85 km) |
| Slovenj Gradec to Coamo (Puerto Rico) | 4,918.63 mi (7,915.78 km) |
| Slovenj Gradec to Coatesville (Pennsylvania) | 4,335.43 mi (6,977.21 km) |
| Slovenj Gradec to Cockeysville (Maryland) | 4,390.79 mi (7,066.30 km) |
| Slovenj Gradec to Cocoa (Florida) | 5,081.82 mi (8,178.39 km) |
| Slovenj Gradec to Cocoa Beach (Florida) | 5,078.12 mi (8,172.44 km) |
| Slovenj Gradec to Coconut Creek (Florida) | 5,158.25 mi (8,301.40 km) |
| Slovenj Gradec to Coeur d'Alene (Idaho) | 5,309.91 mi (8,545.47 km) |
| Slovenj Gradec to Cohoes (New York) | 4,130.16 mi (6,646.86 km) |
| Slovenj Gradec to Cold Springs (Nevada) | 5,867.57 mi (9,442.95 km) |
