| Slovenj Gradec to Cicero (Illinois) | 4,717.76 mi (7,592.50 km) |
| Slovenj Gradec to Cimarron Hills (Colorado) | 5,465.60 mi (8,796.03 km) |
| Slovenj Gradec to Cincinnati (Ohio) | 4,721.96 mi (7,599.26 km) |
| Slovenj Gradec to Cinco Ranch (Texas) | 5,633.20 mi (9,065.75 km) |
| Slovenj Gradec to Circleville (Ohio) | 4,638.44 mi (7,464.85 km) |
| Slovenj Gradec to Citrus (California) | 6,145.01 mi (9,889.44 km) |
| Slovenj Gradec to Citrus Heights (California) | 5,961.81 mi (9,594.60 km) |
| Slovenj Gradec to Citrus Park (Florida) | 5,174.47 mi (8,327.50 km) |
| Slovenj Gradec to Claiborne (Louisiana) | 5,348.85 mi (8,608.15 km) |
| Slovenj Gradec to Claremont (California) | 6,139.40 mi (9,880.42 km) |
| Slovenj Gradec to Claremont (New Hampshire) | 4,049.69 mi (6,517.35 km) |
| Slovenj Gradec to Claremore (Oklahoma) | 5,284.50 mi (8,504.58 km) |
| Slovenj Gradec to Clarksburg (Maryland) | 4,428.21 mi (7,126.51 km) |
| Slovenj Gradec to Clarksburg (West Virginia) | 4,549.38 mi (7,321.52 km) |
| Slovenj Gradec to Clarksdale (Mississippi) | 5,201.07 mi (8,370.32 km) |
