| Slovenj Gradec to Clarkston (Georgia) | 4,966.02 mi (7,992.04 km) |
| Slovenj Gradec to Clarksville (Indiana) | 4,810.24 mi (7,741.33 km) |
| Slovenj Gradec to Clarksville (Tennessee) | 4,956.66 mi (7,976.97 km) |
| Slovenj Gradec to Clawson (Michigan) | 4,511.71 mi (7,260.90 km) |
| Slovenj Gradec to Clay (Alabama) | 5,068.19 mi (8,156.46 km) |
| Slovenj Gradec to Clayton (California) | 6,024.19 mi (9,695.00 km) |
| Slovenj Gradec to Clayton (Missouri) | 4,969.69 mi (7,997.95 km) |
| Slovenj Gradec to Clayton (North Carolina) | 4,638.80 mi (7,465.43 km) |
| Slovenj Gradec to Clayton (Ohio) | 4,680.80 mi (7,533.02 km) |
| Slovenj Gradec to Clearfield (Utah) | 5,565.82 mi (8,957.33 km) |
| Slovenj Gradec to Clearlake (California) | 5,979.72 mi (9,623.43 km) |
| Slovenj Gradec to Clearwater (Florida) | 5,187.66 mi (8,348.73 km) |
| Slovenj Gradec to Cleburne (Texas) | 5,558.81 mi (8,946.04 km) |
| Slovenj Gradec to Clemmons (North Carolina) | 4,702.01 mi (7,567.15 km) |
| Slovenj Gradec to Clemson (South Carolina) | 4,865.51 mi (7,830.28 km) |
