| Slovenj Gradec to Carson (California) | 6,172.21 mi (9,933.21 km) |
| Slovenj Gradec to Carson City (Nevada) | 5,894.22 mi (9,485.83 km) |
| Slovenj Gradec to Carteret (New Jersey) | 4,244.10 mi (6,830.22 km) |
| Slovenj Gradec to Cartersville (Georgia) | 4,971.88 mi (8,001.47 km) |
| Slovenj Gradec to Carthage (Missouri) | 5,193.95 mi (8,358.85 km) |
| Slovenj Gradec to Cary (Illinois) | 4,718.28 mi (7,593.35 km) |
| Slovenj Gradec to Cary (North Carolina) | 4,648.58 mi (7,481.17 km) |
| Slovenj Gradec to Casa de Oro-Mount Helix (California) | 6,198.58 mi (9,975.66 km) |
| Slovenj Gradec to Casa Grande (Arizona) | 6,029.57 mi (9,703.65 km) |
| Slovenj Gradec to Casas Adobes (Arizona) | 6,037.82 mi (9,716.94 km) |
| Slovenj Gradec to Cascades (Virginia) | 4,441.13 mi (7,147.30 km) |
| Slovenj Gradec to Casper (Wyoming) | 5,298.05 mi (8,526.38 km) |
| Slovenj Gradec to Casselberry (Florida) | 5,092.23 mi (8,195.16 km) |
| Slovenj Gradec to Castaic (California) | 6,144.35 mi (9,888.37 km) |
| Slovenj Gradec to Castle Pines (Colorado) | 5,438.11 mi (8,751.79 km) |
