| Slovenj Gradec to Colchester | 738.37 mi (1,188.29 km) |
| Slovenj Gradec to Coleford | 876.07 mi (1,409.90 km) |
| Slovenj Gradec to Colne | 913.00 mi (1,469.34 km) |
| Slovenj Gradec to Colwyn Bay | 953.97 mi (1,535.27 km) |
| Slovenj Gradec to Congleton | 894.02 mi (1,438.79 km) |
| Slovenj Gradec to Conisbrough | 866.60 mi (1,394.66 km) |
| Slovenj Gradec to Connahs Quay | 927.49 mi (1,492.65 km) |
| Slovenj Gradec to Consett | 934.06 mi (1,503.23 km) |
| Slovenj Gradec to Conwy | 958.71 mi (1,542.89 km) |
| Slovenj Gradec to Cookstown | 1,103.65 mi (1,776.15 km) |
| Slovenj Gradec to Corby | 817.26 mi (1,315.25 km) |
| Slovenj Gradec to Corfe Mullen | 831.89 mi (1,338.79 km) |
| Slovenj Gradec to Corsham | 851.10 mi (1,369.72 km) |
| Slovenj Gradec to Coseley | 872.45 mi (1,404.07 km) |
| Slovenj Gradec to Cosham | 793.05 mi (1,276.28 km) |
